{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "810744690",
    "entityType": "User",
    "nonce": "0x0ea3928767185990dd97ca249e1962d8004c36bb7946501b40181a33a6a91400",
    "signature": "0x5b21c3dedd60b4e285586e8f356b18e25141dac33f791def99055353321dd9f47692d22041063d3000f979887acfcd287d459992c7c09b6305ba3b73267e57641b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}