{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238125623",
    "entityType": "User",
    "nonce": "0xd94bc1474812689e00e65e033b30ccf74a7c13db3a7adff608c259c0c905899b",
    "signature": "0x2ecabe69cbad5b9c0d39ad68ba39e43fdef2c7a8b225e7a3c5f4e8a97a6ab3da20da9f860fb43d23e4d63b6ac5c0278b57994575b2a05dc780c0fdd23323d46e1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}