{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1343602",
    "entityType": "User",
    "nonce": "0xc48b1887c7059e6c35c59165da4cb52ad21e45c7a64ce6f04b6a52f0d6ee9411",
    "signature": "0x0a946fede88692d3e1cfb2b9bc1dbe2928462819505fb5b53da64a4a49a297863dbc108495520b1a99cf7db2d50164a85b5e2b255368aabad284d66063862e6c1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}