{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63896",
    "entityType": "User",
    "nonce": "0xfaaf0cef7408019d7db8c0fffced487847805cfed04788ff4d17177909111da9",
    "signature": "0xb1f10d4d6d77698875fb5038b876136a64da20df14e4fb7a74849283d1f451e067de3b3feb370851465bb57d46dcea9f21c54beb8471816e0ffffc0cdefab3391b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}