{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x6ca42ece9107ec44b119574841af084749e537f29ca57f7134f11ade47a82720",
    "signature": "0x16bfa5cbefe5dabeec1e8f50faf593c98dfef27f849decb3d6dcf22ab0ed3200245778edeb7d55429835224a95acc45836a126f4bb49e2b7f1b4a245b4f607c61b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}