{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51572",
    "entityType": "User",
    "nonce": "0x97aa1ef41046da92f6010d600e852101b595d217ca9ef174077c8afae01aac5d",
    "signature": "0xed3c801531ab24a4b551d0f159faf28ccb9a78a43277985c330ca9e6768737c8783c79d3fabdda40089797e5c4b4f1d02ef5b099107066f1c020dd44ac7eab0b1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}