{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186415718",
    "entityType": "User",
    "nonce": "0x3ac060a8c4f5ba3a80b9bfc73f353b96e831c52d515239dab01b9966ea9f9dca",
    "signature": "0xf1c981d65e1a488028b13aaff307308bb50e8746e1cb787c2087820264f343f94d2e8bd754476aec2b29d3155fc33dcff4501ce315cf51284e2b8d9326fc0d381c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}