{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760481887",
    "entityType": "User",
    "nonce": "0x95e1b9285d531359e4c10f49b00ce8f07eb88f0b2533564f1e4266040008e406",
    "signature": "0xe6b0e1b5d77c457b2968ef84fa960ba0af63270f471d3a2f1c13aaa2f74c94aa58498ba29a0d5bc83fb082b6da92ba6477c55851be05188b71ef2aea726dc0f61b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}