{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0xc224613c23a3255b0c0aa04e9a5dcef892f622bdba87bfa1624b94e9c9292937",
    "signature": "0x7e12eaef8bb648b086c61e010b2576a197a344439495c57e559e2eda82ea110b766fc13d879a25608ba1b00473459149f28420110112e05ebe2a0053f4ec9e551c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}