{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "583112092",
    "entityType": "User",
    "nonce": "0xa93a2a98d87f2109e37f058d942d997d3df642d8b0523863c1a1fc14e855ce2e",
    "signature": "0xa866aee5a71da299ae0f5003baaf98da9bcb8cd47468279830bb8e3f0d45412e42a615642cfcc7b39e656eb5c68d70041850e3f6b254f72377856c86318091de1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}