{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1855813",
    "entityType": "User",
    "nonce": "0xe162d741db41841b4623dc17a2c9423e995eeb93f7ba8f7604b5c36a4700498b",
    "signature": "0x921933a5f310e64db770012479d806080f5b563f204edb46ca04be76c13006b218f179eda124328f33f55f569a26d2632c266f5a2964a1855686b039ff6981f21c",
    "signer": "0x97EC3C617a694b06E5b703206e8a911eA15c595d",
    "userId": "590549095"
  }
}