{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418596051",
    "entityType": "User",
    "nonce": "0x01a2e40825f514d450c61da8ac998c40535800e97e75a48ebc25df204f88f192",
    "signature": "0x1a64ed189e095fa5c6eec0e722200e594baa96641de95d0310d2da3a15a4f36122055a7b233134a06e7d3319d1afde4dc3947c68ebb2bd78f172c2054db9f1181b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}