{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "493388",
    "entityType": "User",
    "nonce": "0xf62fa85cefe21b6286f84715a17fa3cb79ad6f34dec47203b5a5ba2b2d51c7df",
    "signature": "0x917569928d90bb5432aefbdf936a693c86ba9c04d02dc36d3c548e2e636d2f2a47e032b938d2e2fab5fb47a8f563618478082a8ccc09c58e45aef057252d62eb1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}