{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105672612",
    "entityType": "User",
    "nonce": "0x9e8717704d0a5c2e5273ae6e0b3ddd41d67e3acb3f4ea4939ff922cbd59a3c6b",
    "signature": "0xa783e0ce66116f4aa28a1f6b5757911566e66a4b26aef958d5997b6712c36ef633c4ea953bd9c1de8a29827bf668d50ca57fe5744afaf252af0165d0747bafa01c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}