{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954131483",
    "entityType": "User",
    "nonce": "0x1ca0a2436f6e4cc913934bb0d857439ad82e9dfe1400bc829c5fe8181e375990",
    "signature": "0x3ca7e647d8eb21e340e6e7c1f9267d83aeba2884bc72653b7b613f741499d10419539fd4ebd4c8a716f08b6ea02beed1e8d73642210598bdff0fc4426741af171b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}