{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x34931280a4a8bb6b22cf27a47bf3cb47e8b9f45863595d070fdbf0dabc671aa7",
    "signature": "0xa51731ee49086dbec94a30e5a9a9a8862dfe83b71412961ca43a4fef2e0c53201b87b6117b1a8647e76ad2e5b116d17798d01c7c945fd15ab3dbe95ed41929e61b",
    "signer": "0xC59f7055B078B1Ee57c271E19BE5Dd7033FD64f5",
    "userId": "950751701"
  }
}