{
  "manageEntity": {
    "action": "Update",
    "entityId": "173473386",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x35d7ad88bb1a50898ff921743bf2821d3eac27400e0ba416473f6c2ae523a6f6",
    "signature": "0xd8625eb3e64ebdcd90fd293c75a3b71ff6607fb4eb4517237adc076b10420005634c0fe09d5c050a7f1000c5dca61b7b38e7a84f1d47eeb2fae350c3b999fa2c1b",
    "signer": "0xe82Ea80EeDbA70346E2a357d009a7E6CCF4c0021",
    "userId": "173473386"
  }
}