{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105246",
    "entityType": "User",
    "nonce": "0x94ffc0e9ba19608b3b00cc837349497fc8585b7bfac229f65420f02e7a6f0d37",
    "signature": "0x572cc221dd5d81986a0060bc76f4d28bbe818bce2d79e4e6badcf5e67d3d34ae5af08a37e1f697820788bd590739552a6395167a4dbbf0e88809b37bd27754b61b",
    "signer": "0x4df845f0a31d75ecdeF1019e502eCEBCb209BE06",
    "userId": "742768859"
  }
}