{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494113495",
    "entityType": "User",
    "nonce": "0x07e5400b963452c52689d9910fe7273d69decca3bf43d22f123270f5bbe5dfbf",
    "signature": "0xca65c3d91f5c91368541cafe1f77922e76eecfeef705efb6f9b4089c903d2e3b62fde62f915ae2997e25d982d24e9a6e0080056674dfaa368a80adfe9bf880d21b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}