{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfe6937de7cb925713b8294ed9b7d216a18d33cab4ca6e7114e2fcd02dc0ce51e",
    "signature": "0x4f0a490d3e48a4e59cf01723da2827096f22c3e1962d48008b5cff8c6a6f101546892e05ae2a0a7a728f8db6c5f4f80f6f1efda183112fb78657b507cca274a71b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}