{
  "manageEntity": {
    "action": "Update",
    "entityId": "736859362",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x63b300a56808b06c48c7b2d1c93b852e6fc6f3c551f298495dc6ff9662a76a48",
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    "signer": "0x18812D01A21af146d082352f04d916Caa79Ac73e",
    "userId": "736859362"
  }
}