{
  "manageEntity": {
    "action": "Update",
    "entityId": "146265506",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbcd0c13af36c8ea97c6293b724ef7b30299fdf33ddd58311c53af1a2a18a2d04",
    "signature": "0x1db8231b8c81ebb82032959781990ebe0b4703d0d257a7f7e377f7d127ff46d966e8674c4d7c66d04b8cc83bc4539612d0ea7d5dac265e3950a5b93bd44af07b1c",
    "signer": "0xa44489C96bFD21dE5e91F8583dfE0ff30889F919",
    "userId": "146265506"
  }
}