{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "840432946",
    "entityType": "User",
    "nonce": "0x2dbdc698c8d7ce8047c148fab135221348169a1922f968bcab6ef344c211864e",
    "signature": "0x024f1a7c26175cfa22514ba88b99a4aef727a70d0221c51e978ad99eb0fd27bb5bcb422a7878183d74031b35de3bbffad7686c543bb6cfc4c3549d499c67fa781b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}