{
  "manageEntity": {
    "action": "Update",
    "entityId": "709218456",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5026fc492f63959ed47f2d3a75750285500044c84b67cffa0d448946481df07c",
    "signature": "0xbc6bc20378854bead02e0b47d4c6eea25b833e3d1bd21477d4f899dfb2f1167e1824a295bdffe40676af800ef4b29c2a533b50a965b2c4cb7df6382cf8fee10d1b",
    "signer": "0x8aB7d23D8c6Ea85540aDABD8Ef54b78eDDF14A7B",
    "userId": "709218456"
  }
}