{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x55bdbd2c86210517c062dbf81b401a1566ae68969635b23722022bf7f1c81516",
    "signature": "0xc97c308b260ebb4a81cd6d9fbd6b490cc474067e7492312b5a4211ecb1e17da21cf12d561387649f0310f0c21f9b748aec2df0153f6f894f69502a0385fcb9be1c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}