{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115626085",
    "entityType": "User",
    "nonce": "0x700462bbb91b9e8d6df84960ad8c9787976b1f4563232fef5f4c65b99def2383",
    "signature": "0x111aab46f3dc95ea685e639983c4625df48916aefaf94f5d4f7da00a31be55b42d1e33e0796f3b5af14ab19a54a66f5a0b30f7af218e0bc008d5982babf9038c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}