{
  "manageEntity": {
    "action": "Update",
    "entityId": "673313347",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xda18b22492fac461c50edc5d0f66a59903934abe59dd99c121ba433286a7bf82",
    "signature": "0xb4f268b394f889ae1d97f07d8b6ddadb0719b2d87039326eb1afad0f19d1127146b463f3fe9f4a3e5f8e044e3bfc6bcaf71442213e176720c453496d12be58a01b",
    "signer": "0x93aA8CE8d8DA14420A7deA1aFF5B3d1e0F360595",
    "userId": "673313347"
  }
}