{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73532",
    "entityType": "User",
    "nonce": "0xe7d7c8840030c4af40cf7fc6fd8f93a50948441f46e1f581232e382f8b779a6a",
    "signature": "0x120a12aa4fa0573e43c7c2dc9a2039f051f5188880a7a4abb8627c8ddd0d9b1e3d1508365c07587c17f2ec1c27e2d950fd60866efab0163a43921ba0e7c882df1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}