{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3895",
    "entityType": "User",
    "nonce": "0x05ddec8b3c7304d0baf80f025ada037ee8161a304dfd8db1e08869c7350be71e",
    "signature": "0x0b3c597a4808aba907ef69b5b07221489400317e87fb887ca24949511c7914a229ff4e894c6b823ec814d4135d52f44f393938d5a8bd0af0dae864e20e58eae01c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}