{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2d6aeb596d32fcab672a4a53a335a066a1fe604e10343478c63f0e56ae88e0cc",
    "signature": "0x7f01c1b17ac301e86c231b9e7668bd6ea5ac344c049e77c4e6078e6c33860d20229933aece32444e3118f1513efb3f586cbea7bb458103ed3599d53ba126f6e11c",
    "signer": "0xaEFa40feA52091946C151469Eb611Dd74177f554",
    "userId": "65828371"
  }
}