{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x87c53c33a219c893928df85af2d2a474e3e4c524cafeb13386e0f6d411197114",
    "signature": "0x65698f42d821b2d644aadb6dec6109ff9acd9cfd17c13b1566b1c3b3633f72cb06c88063e4f4483fd40a6016f5427ef04de2167edec1518b9baeab28e440b4c31c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}