{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0xd2e737366a95c76eaa7f323df45e88e7191b96c0fbaeabeedeacc0e49c8b3f61",
    "signature": "0x7df30de86de5cdde1697141e3b3d2532103c1524d97b0c43edf4d11ce058b29015f0ad9b46a73aa0b817de5ef0566dcf6ac41c0a04bf1bd589514cfbad9207721c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}