{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925208878",
    "entityType": "User",
    "nonce": "0x617c6662a902a292ca127e6182a6af422f347af5ba2c08d3f7c9290213d9894c",
    "signature": "0x4f31ae1105d334d43de5c911a6724f30b6cbf8f6977ac2fdc1449d4a66754d823fe7bc2b97aa4782721298f9683409d9c228fe682d37e5aa2a5a800d1b0e46db1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}