{
  "manageEntity": {
    "action": "Update",
    "entityId": "760115133",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf49c60884820dc7f3cf7640734a8da8c66793f869c111d4deaf9b70df9bfb1b8",
    "signature": "0x0cb40c1f39ded8417662e71131d5160d561896db20242b6d10cbf597cb076073695b765d56a4cb1f8b678207af0885a6342fe8dcfb7792e235ad81cf42e89a561c",
    "signer": "0x21f0931c2ebDc9838e5C959844B3a7bFDf69433a",
    "userId": "760115133"
  }
}