{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189322246",
    "entityType": "User",
    "nonce": "0xe73205739721bf8895fc875c7237f9325aa3c051787c4ddd0bb488ac3e83754d",
    "signature": "0xf99af33642980c37b27041c90a0a7f927c175c1ffbfd08826ece134cee25763152ea3bd497b7c435e964db30a9208b2eb244e0f3f2894681f3aed256080c070e1b",
    "signer": "0x7bF90aDB0D4f329e1dA9BB5123768023eD007adf",
    "userId": "111728084"
  }
}