{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295993",
    "entityType": "User",
    "nonce": "0x328acdaa8d375252e4ff61f177a6a7d42e8ccdcc8444ede7027f4285c35d0cae",
    "signature": "0xfb49e99873b7d78e3be6f4e0ba8faaa116e08987d9a0f2793b8d62a0f096183d4c83df22d9dda3ce2b69372d492f9fe6505f34356ee1bfad6e3e4ea4ce2684371c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}