{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951546743",
    "entityType": "User",
    "nonce": "0xaca3e19a639928a3b6f2086d35fc77a9640e89cde4f63eb6a3efad7b6b5e67de",
    "signature": "0x3cec1ae2a46b97efe349720f30e19ff0fc56e62658da918f47d44119c0a8439043a5b5330c19cee872ded399464d6c5c133b9b69656ba7cad8bf460430423bfb1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}