{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1686194",
    "entityType": "User",
    "nonce": "0xdc5faf99f3767be592e4deb2f0af6a47f2171351fbba4dc3a85044967919a484",
    "signature": "0x40543f0dcc7b2d5d178edbce54b6925dc79512d0a13979daf057b653189da08c24d64f3a2758e6040cc0831748d1bd8ae480c63812eb2dd957e02ba0bd0b90e51b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}