{
  "manageEntity": {
    "action": "Update",
    "entityId": "560630042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x93e7e7eb42d5297bbd55e22717e9403c60fbd5b9573612d4d5f484ad90b5b096",
    "signature": "0xd562bcd285fa2eaf2723965100d42b0da92598e69a0aea0378220459acc64832112644a2a50e8fc0feb49396c648aa38a92f316cf107c4b9caac65e741df8f061b",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}