{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xcdbc451eded2883cd14d313a46c6d46136df2c2737b1d08da1de259a947eddb2",
    "signature": "0xad728791145544f057f708f8f7c9dcef403924a04246cd044a379b80392e984f5f859c24635b1b734ac486f916dbbd4213ebf1928dacaa147e4c0b86d103fbd61b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}