{
  "manageEntity": {
    "action": "Update",
    "entityId": "952847282",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8896432ed03ea8a968e87acba1856e6228be3c203ac7b112f7b19f5cc5b2b6eb",
    "signature": "0x764840c0c5b3f69b34dfb31f2b9d82b0331041cc3a63fa0557fe62d323d402b203ab60205470b265754c9051406fe7f8dfc30cc3f6ad5faa8d751f5a795854be1c",
    "signer": "0xeb71D7bDd9f1cA479325005f04564BE9BCeEf113",
    "userId": "952847282"
  }
}