{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3274",
    "entityType": "User",
    "nonce": "0x31170ecdc62b75936f98518681f19bafdc961eefde310d0fbbfd15e0c3af7fb5",
    "signature": "0x5cc1647f2f1e9aa5577eb744afd1af36f1e12f463d8f8187bbc8b03f36aede013a5036b21ca212661286cc46fba52c8b80249c173ad05dadb1d7d6c1beff85e31c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}