{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655515",
    "entityType": "User",
    "nonce": "0xef18d037c43dfe28871ff2728e584cc2d63ad32001897b14f9c17cd5781cf9a8",
    "signature": "0xcac9e5ce49b62b8464f7ca9a3976e207dfdaec8b197ca3371bcdac2f3e4e29040c4617d1d84cebddac6968dc90a64113902d7ae43b460c07a4b8a65f1e807aaa1b",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}