{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x1015477ff328a04244c76b4fd72f2d22eacaa14f2c13bca15ee4e8e492aabd4d",
    "signature": "0x61360dcf1a612131a05ac348b78dc70d485b4a0ddb7d71fbe3e476230d57f2944ff7c83401a89d3ab3f4237b4a7fb7b7b4736b8aeeda493fe1ea9395c99b61da1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}