{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83596",
    "entityType": "User",
    "nonce": "0x8fae9bc5f8bb629747af7bbfab07212f3a8e726f4768c770a8cbb83e0eaec48b",
    "signature": "0x217f61552d565421f1674326219d60db097809b34e5206e067bc12b0e0fdbc1d0deab0354a83eef6f631b690bb590e445a7689496d0f7f3474dea3c134c3e9b51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}