{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0xc32fc3926e0111552019acd013837759f34c36a678fc7887e368a7639639ae4a",
    "signature": "0xf038b8cec40188069afcacc466eea66b36a76e68e9518b6880b9e389c1d881562ebed7d8fd2e7ccd084b558bb32a952437d3a267292ea0eb5a6d959d50b5a2d41b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}