{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134619804",
    "entityType": "User",
    "nonce": "0x005f2ebf41628438b64aa28a655d2eab559297321c41ef134415b38443c499d8",
    "signature": "0x359212bd3e148ab11f09c0d782fbd5154ab41a414fbe47dc5049d2ca48ab996029867b9a0b9117c76da36172cfb0ca264cf3741957c81a5263f2b4949d4c4ac21c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}