{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "431467",
    "entityType": "User",
    "nonce": "0x8797a3eb13822c7a86c9b2d2dfe21964bef44485c3c01750e63329a3c855062e",
    "signature": "0x931b06e9285f0a30ed538a982a8a7ea8e1fdf63a74001eeadccf1ab11b2088db42fb38d7b584db2867cd7a3720dacc425fba6eb189cf292be1899d7ad881cd671c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}