{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0xca0855df6e624d2dddc96563f52d8706365516d52507babbe6be555115185bd2",
    "signature": "0x9fdd41d92f185fd163bdf8c6f93a623cda74734546e3998478137ceedb249ef2301edc6dda7793d889489eae27db5ac92e4fe4175250dab7341f06064385498c1c",
    "signer": "0xe5F8de0eEb1c50b6f4a2f6070DB79ff97eD3fE77",
    "userId": "435903624"
  }
}