{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89874247",
    "entityType": "User",
    "nonce": "0x1f4b98417ea9bc2be9fbc4e207f922bd523a4025a32f128d064e7bbe700142b6",
    "signature": "0xd827652a6f83cb9f5812c5e5ccf47aa91a18bdf948ad9c5e74bad5e406e3c1ce0104651192b71148a9c29ad11d70d63dbaf4cdb1207c1cdd9dbca66a40d7238a1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}