{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "779730040",
    "entityType": "User",
    "nonce": "0x244ae3d4509cd57ea40637c9db5dbed9991655a068fb053bdf990babb7b50f0b",
    "signature": "0x7ea689142fd5e4582bcbe1f57e7edcbe6b17e6d06ee1852f6e79334978de5fb128e09f70896e91e60ddb639f90e0c1b405a4e3801daf32798fb1893a42799a421c",
    "signer": "0x0aDF4E4289dc86baA39276037bBF25017Ed782A6",
    "userId": "68524173"
  }
}