{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x2348f101043617dd78828e343ce422ffa4ecd99d572e48a31d4b308a73dc1b0d",
    "signature": "0x4366e641763bb643eaa314bce8ae0123a2f4e181f02e42bd49f8727b620682db314e434848e4eaab5ff351c93e6850da2b44928bf956a321b1dd2de22ea59ead1c",
    "signer": "0x8a278E79c8E7e655B94c3e6798972A44Daa2c6ad",
    "userId": "24098924"
  }
}