{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "371065",
    "entityType": "User",
    "nonce": "0xba23fd009de0decb334ed942042986dd2c0788b88b3cae134dbccaf9b9522c93",
    "signature": "0x3cccbc5ab815d645b22bb64149c7835e4654b66a8d351b7ac2df5a83e07e127954c16ee10f01dedd019818e032ec16a7bf8eed60770ae812f52eaa390036ca261b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}