{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0xc56948a3c87d7841edf12106925ea5723948111550ea45b447c044d7c9dbe013",
    "signature": "0xdeedeb7ac19abd866db022ea97ffb92f0e83ba315444fc0f4e2832039e3b30dd4dd0a5b31e295ef14d5efe26ecf9ceb048a43091a8aa288b192f1f769dd29dcb1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}