{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109192984",
    "entityType": "User",
    "nonce": "0x641be378d5294cf30a7c1e2da32de0de52c93828864efeddb1a2101f2c1f5786",
    "signature": "0x7cf36c6aa371864adb01531dbe2b90101833fab0f2b1ff7df241296baa76f9b4142734fb03dd7ea830403a3fa4e7fb0a18f92466639df732d2bf4c24f592cde01c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}