{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "649693530",
    "entityType": "User",
    "nonce": "0x23b3c23ecdf7d29cc07a40c927dbefc8e0cf61385fc387334a486d29db5dca3f",
    "signature": "0xcefc15e217122d8e535160263ca24226d326399bed43f116eac12313c2e91df305005d0a9fe77ba5e508d1da43c4a6ea9446e93b7b75b0b85c8881611cd111fc1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}