{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186139300",
    "entityType": "User",
    "nonce": "0x21284ddef338827b4102cdff6ea9c583c29a83cce1a1854999cb1611342bef56",
    "signature": "0x539685007143445b67163a06d1120eeb98544c5d8500cb3aa7e73e7496989ecc4e0309d04b8e6006f0ec67f19768b599c83f30a7fcbf90a1db3ca511c09f52651c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}