{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8e83c0daf07b1f3534aaeb67201e88c540c2f141ea85857312f759d23974f219",
    "signature": "0xc66998112993fc740a8a53d2b66c9d97bb546e40f724acbd0f51f07d2cb3582e2fe1fb0fa61c1430bf456313df7bd9474fd9d2f1af057a9f4c0b5c1e9fe5dde31b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}