{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102268",
    "entityType": "User",
    "nonce": "0x5855acf4bcc0146bb8619484adb605636675e58d96cdac0f9b791f49cfd37f1d",
    "signature": "0x7cafed58277804bce69c3577bfed3e923beee9b1c48babddf8d5c29b9a02862d657022c2576602ac7b956337df43027a3adaf624b33b5beb0065ce8107acd8811c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}