{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33478",
    "entityType": "User",
    "nonce": "0x91af2cb6f0fbbfccb1f3840ebcb4c98f4e8bdb3f0373a68cb8f1821c9446a039",
    "signature": "0x3670179256ba8e889db6baa3f8d28fa73219df2183c200e8ff13b567a8fe42a3693eefbbecd64b7336ff408334a17d9d71c93c54226ceb0ded793c8628636e6f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}