{
  "manageEntity": {
    "action": "Update",
    "entityId": "47131741",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa530c4030d206eca95580fa7b3441a51f2a64a84deba90a9090906e74aa6a386",
    "signature": "0x97a6904c2874b1779989db83acb572270e2a72d49668d225db4d33f4e20775335e0f0c9128654b8d596596d49465ddcb4e1fda5d95b3e462e620914325e7b7021b",
    "signer": "0x05b76c3e3DA5b5Dd8141ABa79F49eBB13827C420",
    "userId": "47131741"
  }
}