{
  "manageEntity": {
    "action": "Update",
    "entityId": "526180075",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5c7d585393f2d23f902948a02e068fd916279f78ff55218bbfd326955176cd1f",
    "signature": "0x54ec518a2787419fa19518d0680a826c00566db0a9be4a28ac4f972346797499605890a6d1f73fbf57f447eb72ec55750ddf4a09e3e8d52eeebf2242e3681a311b",
    "signer": "0xdfe57c03CEbfAc8a0e56Fb424f5c286d229C98Fd",
    "userId": "526180075"
  }
}