{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1347038",
    "entityType": "User",
    "nonce": "0xeff285d81b5e78ed5aa7e4a7030ac7a27784a452d7284530fb28d192fa60b36f",
    "signature": "0x03046fbe47e548497f251ee1aa8b338b6c302eebac53f92407013a08f9930c5d4aad212cfd93a92e898bb9bdc1adc92014d1bc9d067164b7fd9787e6ae7453ea1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}