{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22193",
    "entityType": "User",
    "nonce": "0x90be6c017601acfb2062702563b2d162bde1f7c2d0f0f6ee1d880514697213ca",
    "signature": "0xc50cc78f7ba1432105d925dcf2343a59b30705c745bb89b6f5150571389f32211be9cedd6b3405931dcf3d46a26667e9edf18101ac8c99292e7f539224217f691b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}