{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x89664ea7045e4ceebb68c6afc2e43a1e72f88d81875ef5f55782533aff507ce2",
    "signature": "0x329a0b9d1cd3fc33b08075533d205aecc946fa8aa3cd37dea7790ee873312c1465f6735cf03a40f551286aef2acfba60d1c7e97269676dc859751d501420db411c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}