{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111467392",
    "entityType": "User",
    "nonce": "0xd1415d557f1c8131dbfc509ffb04cbf218fff8df0a36184a9f50b52cff3b3b8d",
    "signature": "0x1568f30dfc1d59cf42ece2c0ab019f43f9308490b7aa8bd9d021a17e8c15195b048115f8b8d47f6d19c20f2ee38002d76742ebf97e860186e2ca5c7fcaf530991c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}