{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xb529f4185e6e582fddbd4861d14230a03a85833121a94de4fc23c984c1eb3f48",
    "signature": "0x1a625157dfcaa9068fe5ab75e24198b8abd1d0e2633b8e5d835f0a66306c97532ea2122184a0ccc6cf7f04f355b32d513a098020bbe2fb7f213fbe12740360d61c",
    "signer": "0x808dc688c8aF9f9BE20E02246BE7C0fCBe9B4C34",
    "userId": "396164"
  }
}