{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855326662",
    "entityType": "User",
    "nonce": "0x11c3d9d5b54359bb285a1e847b86e14991bdf4db5a424869afba2186a70b99a2",
    "signature": "0xbfcd1ee1e208a86f8e8a583dac6206ae19f9e44bd2deb90f7e13d6cadd878c6240290b653b5956ebc9edcad9a4298cbda74933f1a9c7695c0226f775540bb3fa1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}