{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111593",
    "entityType": "User",
    "nonce": "0x7e062e966fb2ccc8947965e65e78473bf09ccda7584563c180565a0dbe7271c1",
    "signature": "0x894723aafb88a558d671eb9ccf13b4440ca6fd865bad938df914f6fe8d877a94112d9186b495e24d0086c02129a2f700bee8a389a50ae19aa18c3f896cc0e1411c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}