{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x8af86cbc6728f287146df707d5552ee40a41f528d3aabc151b35f34913930c6b",
    "signature": "0xfcf0a1d177d867e1f390ea66ab785f14bbe046d33dee06c09ef7fcd0c2ac5ef22e45ebb67934877adc929a85f588b2cbc8d05128b7b61742e6c0da9a71a84a491c",
    "signer": "0xDef30Bc85a922d00C0396c9C8b0D233D0654b6f5",
    "userId": "208392258"
  }
}