{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61841583",
    "entityType": "User",
    "nonce": "0x2823499072f5f4cb5fe1acac624ba3eca02cfc3d74bedf5a15123493495b1462",
    "signature": "0x1e9744003d8684a7f618d4dfc5f93859da9c76313a11e75dd5b34b79b3214f8b659716872ddc2384c7bf4d1e714a8a92bde06b4830758f9b2e59b803b3f3ff5b1b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}