{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353066",
    "entityType": "User",
    "nonce": "0x04dc19cc589f1cb354d3c07f56b9d606a4cd635fbbea97ea2864e9f5558a6262",
    "signature": "0x59a4540fc7caa9a89209f75baef6ed11268e9c643b4dd21b730196cd8dcece7d0f25fbebe54ea82f6e1ad9638e13fee0339fb856f0578caaff7b4037b90b81b61b",
    "signer": "0x12EaF77464824447aA995e75Dd707B3e5246be9C",
    "userId": "409175645"
  }
}