{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78254",
    "entityType": "User",
    "nonce": "0xa22380b0b8538d52e881e5efcf2de9e77a7ba0e6c837c6aa6e39d5490780aea5",
    "signature": "0x6fe13d0137274cc29e43a21ad9cfa97542ee8445468bf8f812bb0fe50cc8cf8012c5abbb71d0f44d9b00dfcc9edb31b06233271c2907d777bd2301c8775adef51c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}