{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991821949",
    "entityType": "User",
    "nonce": "0xb37260f0e0e79be6db29f0040d431664f3c50f6debbacf684575a9c716d5a91c",
    "signature": "0x9d8ddfd8259c8e690979f67767ae47b39a2087443a72f323fb65c43df82a109f40927f7fc3662f272fcfa357486d063bb5b1bd6b6f6d8f71e126a9bb37f36a481c",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}