{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xada750d5cd29e10bb3ab0452592d8a4e095d382f78ea072a7060039b95380acd",
    "signature": "0x4782fe2e8c0d73f6b7e717cb238d0cf521b6743ddaf281dfc393b5796e7311dd37f5e8cab8109936485260ce8bb138828558e77574d9e10ffba2fad52d2219f31b",
    "signer": "0x214e2bE117D01A083551c7772c904EcE2AE28179",
    "userId": "788132806"
  }
}