{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "835111870",
    "entityType": "User",
    "nonce": "0x131c198558f4bb0dc566cb54ff70d9f349203788f906e4e0bc0391dc7e313ac7",
    "signature": "0x8c330750b38c9f54167434a9177c1868612e50653d0491c6ef13c944722a8af312cfe9049bd5e44ef36ba259155ba98e984ddb2e8a138416cbfb4f75748226ad1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}