{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67349",
    "entityType": "User",
    "nonce": "0x58fb807653b8693aab0d6756247e12bda7060ec516189f2fdb0416c71451b17b",
    "signature": "0xe50f30a82c571441eaa5ca0747a71c7f9a579cdbd751392e23a51fdafbc010ef2c20f7c4055e7d836967987212808543b47a7b2c29bbfd23105b81b0ba89eacd1b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}