{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6525aee726b4d2e6b9231c2b08d2429e086a17e264c65732ea982447a80a653d",
    "signature": "0x75ab0fa215955e353dbcb2f28926ee35c9152eaf11e699e795f01d4b48910c143c8d681e52c03597765bc001df0a5638fe3159cac0c61564631df60f1afef26b1b",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}