{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x51d585d1f257fdac5aca45627e686d6da3237f4dd9b59069ee8d65848183d294",
    "signature": "0xe6db7925779419382a982017bfee89d0e9ea7678bc1d02136fe4c77980fdee917e4ed86eef103e3f220ed18e1576fb6b3090317bcf3984c888a3ac0287097ed31b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}