{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x89e7c21e180a5402b89a175970185e258eb00796197afa8d687df41a6b8c8446",
    "signature": "0x1614299f1152ef04e9a95ed0cfd916fb22c9d2b493580e14f45f97ddae87492037466798985f2308b3e4eec37e824e28e0b43719db7ff32a027311b29252e6f51b",
    "signer": "0x1eCCEA0f808537b17BA7df623088F17f423f9664",
    "userId": "314279535"
  }
}