{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234141",
    "entityType": "User",
    "nonce": "0xb987466b5be909580d62fd5cb034c45b3b6e50ed444200acc45f596b2b37ba5a",
    "signature": "0x157522951044b01dd489efdb65381ff08af4b9418ac99a93e09829575545e74b180b478b0402e89fa7cb67ce73918f66db32de63b5ea01a085164fff9c6297351b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}