{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261090887",
    "entityType": "User",
    "nonce": "0x804e8ea8b84645c2a85e77ee691d0a184ac8541a6042804c53ccac1147a6a63b",
    "signature": "0x65d290fd8e50474fcf781f655fb9168567f56b8ea9683dd99e3113da9e2214eb70f98e2d6a27ef621e4155ed488f64d7604d464ae51e427c28fb46c07305c0811c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}