{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xbc25bcb18ad740c15046b6237d1df57c1e7879d2d4f034101cf060ed42b7cb35",
    "signature": "0x48fac8de8002c3b3c75db95985b12e1ca245a3aa98d922db735a6a261f57ea9058e12d6c823becba4bc334030838efd301d559bc747c6769cb1bda65622ac6ee1c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}