{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x484da500e99314c8db1e7ab0270dd928f7aba5c47984edb793adedd5daad3f56",
    "signature": "0x160098662dee60a91c43fe464b34a913734f4a12b181a6a3585fb38615d9416754883b37928ba229b85113f219067955fd786aa822ca43e33307b13b585fd1581b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}