{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808781990",
    "entityType": "User",
    "nonce": "0x6b00033c4e86ee9154b311daf6565b6ca06719147696bb8477dd0ddaaf390aeb",
    "signature": "0x062aa02992ea6f1ab19799b4b24f3e49b8f2df718943b028092688a6cd27bad15c5fbaf302bd168bff4f5c9f6074f9b72c54e661203092c8e946f193f49f2f011c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}