{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51892",
    "entityType": "User",
    "nonce": "0xe8da191409b2d24a525b4048b92a4d83e76345d302034dfb20b094507ec36816",
    "signature": "0x958beb86f3783a3180da18948db4f420cbebfe61ec62a5f50d1c52c3b12d6b7210195f5116de84ed6361c4c60a4039a858249868d615e348011b8e83538edbe31c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}