{
  "manageEntity": {
    "action": "Update",
    "entityId": "229238249",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaca9ad4d3bc2a143c95776de41acfd8aa1510aeba54c0ad4c972d97e44c94df1",
    "signature": "0xd9a90338845f34130e0d1eb4c34d0bf85b65b221e9877c65c3fa47f94b51d66575a64595b7f314c16671252ee975ddcd21f48c5d8ae3d786ec912fe1cf9cbbbd1c",
    "signer": "0xEfbE02d33C2338F0f1Baab699176B8601c34474f",
    "userId": "229238249"
  }
}