{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192651",
    "entityType": "User",
    "nonce": "0x3ee1aa81e9d29bce420fa113631a2608e3f30ca3e0e86c018101cb7b68cfc8f3",
    "signature": "0x6b7251994e45d23b0d58a58bd285307797380149a6a9f9cf7fed5702398e1bfc0a2c9bf38d0c3c418e19ba3ce589d1b6dc3029ffaa769194a4c53a0e573fe70a1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}