{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0xb8be8701e2dd270209f54346c08ac74c986e3ad1113664ae32a05eef60e5c888",
    "signature": "0x00f7ff03161deb53b762d5294dbb0fe294559873ae325f3e75586b3b214a8532687324015f340120e02c96f74c560dc79295d8f45a761945a78b855bf8a91c7b1c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}