{
  "manageEntity": {
    "action": "Update",
    "entityId": "360621402",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratphpgu3ly5yygk3bvuoi75qy7cifo63rq56atos3hpbmnkdi6gjq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1034848282},{\"type\":\"playlist\",\"playlist_id\":729471950},{\"type\":\"playlist\",\"playlist_id\":1795117483}]}}}",
    "nonce": "0xca141c9bd8d9e74ace1b379121dd4ffa56831396f68488789e0485ae779fd96a",
    "signature": "0xbbab3554773d48fc9af359ddcbcdcc6aa336cb027e0b5c83424d8ad4476ef07c4bdf4835277a4dcd7f3d5c7a389599b9920dc5174824f17985a3c7697a1864751b",
    "signer": "0x2fB1cbBa702009Cf9184d540114B22d8B8FD81d9",
    "userId": "360621402"
  }
}