{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "250436176",
    "entityType": "User",
    "nonce": "0x56d988d8bae5f6ae96ed78e0ca408cfdbc375501de6f76a30a14c69538847cc6",
    "signature": "0x2f62d7abd1d49eb02b1d3e590ac5666c9ca688c8aa33dbffdce657e177574a125aea863319a1e502b7e520ba016786b57b9253ab40c82df8b678a3cbb6a8912f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}