{
  "manageEntity": {
    "action": "Update",
    "entityId": "585727851",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x797f71bb527f6311858bd4703a91aadfc0c5fbba929c60c18163172e8293ca0e",
    "signature": "0x880bb469caeca131fe0b3b6ed745de3e257b32f7901b1e4e6c4b7070125133c2259893bb50b3add4c54f5b42426308445282e1d21f958b4f0724b45fc22e6d6d1b",
    "signer": "0x4DDd196F82e57869E706Fd10381a359418B104Bb",
    "userId": "585727851"
  }
}