{
  "manageEntity": {
    "action": "Update",
    "entityId": "822252654",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x429d5eb5c7ff73ad8ef44d15601ec757b55db21f7947ab3e1296cd1fca14501e",
    "signature": "0xa9e965444c0b74ab972103b51ac5fa730f20891bdbddc09695072dd8763626e3538459c4e1e541946bc73378abc8c4c5be53596fb0dbcde896a28079052651f41b",
    "signer": "0xf6A169F8CdCadB140cf4820C7189aF02fAEC593E",
    "userId": "822252654"
  }
}