{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849374",
    "entityType": "User",
    "nonce": "0x0c7037ab92ed84b59213a6c2f6c335cd419e6f8d8ccda682d542c824067fb908",
    "signature": "0xf319f1c40820ccab92d182862c9d4354a4ac1f186c74f2030a590540fe8b497204f0d985207ab39074b0913214a8c77675c06b4c73feab85609b3eb739d7f13b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}