{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "839191",
    "entityType": "User",
    "nonce": "0x46b51dd35268c471f5f07735af5c0c3fd9f44f31ed8aaaae10d165083f4c3807",
    "signature": "0x582e8574b831e55e467bf62f35d887786f2b949251a9e0d2c8d33664c0d1c3b2684e7fc793a79e79be655b619ef6bf08355b78ade224317e86dafaed5d39f2ba1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}