{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xb87697ebd142ce7faecc4eb2c1e30c83d6478f1a5ab67790648aaf4cd62bc4f9",
    "signature": "0x62fd9fa4548ea077f584bfc6f621f10ef956ceeb4d8dfee15a6df9945bcb5a73616c4bb92f7f6661330cfb0250f455f895a193bce746b542661611ff6de4fbed1b",
    "signer": "0xfEf199273dc1B7112aA0D32cc0DbF797aC6EAfE5",
    "userId": "198179849"
  }
}