{
  "manageEntity": {
    "action": "Update",
    "entityId": "847013225",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x302f94cbf57f00afc9d3dc48a7d016070a0515016b3b8a18e11eceb9a2ec4fc4",
    "signature": "0x3fc320e15f1870a6d1c1165daab8ee89806cb7c2bbe8e38a72ce54fd0be71421518183f2f8113633709e6621de8344e57c639645189e320be7d1142741b6a4c31c",
    "signer": "0x9B32778f2EDac6d5b8BfccEBF5594cC72d68cB57",
    "userId": "847013225"
  }
}