{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129934",
    "entityType": "User",
    "nonce": "0x30967c533b4e520eac40b7266cf83b9988c6bc92af3488370a3c6b0a5b79421b",
    "signature": "0x8602fd63c5d9ee35ca2addde702af685fa349f46fb13f0e55341405ffe16d45479047c68a4944951f0bfd1be7cdb0e375bacae62d8dc5afb75d6d03720291db31b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}