{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123846",
    "entityType": "User",
    "nonce": "0x86389dc73cdeb5f02dd09bd0c48729ea459a110bf8ce1a51bd03bd6aa7dbb730",
    "signature": "0xb053d47951e6d00a09bda999d95f8a9944ecd45474f4c6f7af9737a64d9a65cb117e860025722e078e2cbe83246b6dcc62e2c291d4d7b688c1cc94e2b65b0b351b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}