{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40971",
    "entityType": "User",
    "nonce": "0x47dbd1a312b2a7caedfd3aa96a4db90e3592a5170a590713354d224c56b2e8f9",
    "signature": "0xb530a322d0acd8ed9f4a53d1d1fce6f387effffc096888337b93ffa2ee608ca50d60aa55917ea365e64bf5fa6b73bcb4d4e063592b3bc142927906f07ace74d81c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}