{
  "manageEntity": {
    "action": "Update",
    "entityId": "447624565",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc202d255b9b5a65b0010af18ba2a4955e874f41ffa026a4a5eaa1a56c36e5672",
    "signature": "0x8514e2b3445291329e70804cd4208257942202a7fa5849c72e4122f79a1f482263d2690aca0e4935447683a1ff221fa3567b074823ed2cc4b8585835669aa4561c",
    "signer": "0xFBdaC5CB215cb5C9002aaA83664FfDB0e20018cD",
    "userId": "447624565"
  }
}