{
  "manageEntity": {
    "action": "Update",
    "entityId": "80883344",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6b15a677cb84bf8ab0090dfdf091565b14c1a9348d9b39ba3f8545d1ba60202d",
    "signature": "0x2b31dca476a6e229550027541caa4d46e4a516a69427577e3e258bc06d0b6f6f1ef4d67b4ead3cdcb2ad8c29ad5fc2238a6b525099c64de2803579b39ee438e61b",
    "signer": "0x539e3F5c2f507a2fC1050ea3Bdd505FDe98957Da",
    "userId": "80883344"
  }
}