{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1439165",
    "entityType": "User",
    "nonce": "0x0cbe3a31a87ee5fefa4abcabb6a43b81479e335c047132af12e502c7bb030337",
    "signature": "0x07b282a6f88cdcccdee2963f96b5a3d9c84c39ab045e90fc4e5756e05054e72735a8953bf6b7bad2d5a3e57ac64da4087f31ffb35c6c3919e3ea77a8038e40451b",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}