{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "409129",
    "entityType": "User",
    "nonce": "0x623d37d45cccec0cbeccb4545059238340f5062d7e0060831fbe33aad51b9660",
    "signature": "0xc0c1c9f6326043ecf1c7c02916aaa0cedc24f91f916d209f1e94fb268f07d9b922bccde6802ddcf5ace6984c6fb28f4d97f998ddbce5c08431182720dcbdb6411b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}