{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222934",
    "entityType": "User",
    "nonce": "0x9a01f355d4a4222051d9d48cfd2e55ef5e883a5cb53b25a70bcfb336f04f4a19",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}