{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1730847",
    "entityType": "User",
    "nonce": "0xcedfd107a557a7b13010a57721e593c0ff6c948fd97a9feebbbc6d2ce38b1280",
    "signature": "0x0eac713f5dfa965cdfc8de0e6b47e0c7710f006d8b83911dedd45e8abc3ef8a56de577b674360327948d816dbb19dc23d91f14d3daee2d088888279bbbff5cf71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}