{
  "manageEntity": {
    "action": "Update",
    "entityId": "410531907",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xee4930623747b4f9ffc26a14d74c5350c9da2c55014e95096b3ace237bbaef53",
    "signature": "0x53f85cf78540584ff79c4862aac11e430690426ebe9d644641e9886131f714420c8d38ee45ba920b9d01077ad2e850f2730feac3c6813de60889f0b684eec3a51b",
    "signer": "0x81a6976298DDa0B267D3c5C2581EF2671a909f4b",
    "userId": "410531907"
  }
}