{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951644728",
    "entityType": "User",
    "nonce": "0x204059b89c8a07cfc973b19389c1cb5424f3c16adf9868d7759a792fdefc694c",
    "signature": "0xd79a1730deea1e9bf304fdb931928a669d3371e5c41c55f79cc97a6b9906360508599b69f0997fae33549205741f35475e72b49fd2c191e03b3c1e39a32bf2401c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}