{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283478",
    "entityType": "User",
    "nonce": "0x1972f4b22541de055cb879698592754aba351a99e3fcdf084f55136c39a7b750",
    "signature": "0x542bef1a0515c963b57a9be4fa942ca323c09e6e5fe9ddc28ee921bc8d7287155099091ca654693abb4a4f1ef55932029a4989dccefed2b58ca0f34b68f8cdd51b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}