{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16346",
    "entityType": "User",
    "nonce": "0x6a15ab7caffd27481aa9f36f2b4ddadb50d2a21f0650e7f71305e79fb6326e31",
    "signature": "0x41c5c344218eafd6d0611093f43885f4bca6259f28019483d3367621ca931a1726a01e9eb58407a00ff73db9c7a3141a9e09f459b1db400a3ad32fd1776877ec1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}