{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0x0cf0815723ad006e3071e924bfd8eb39ffc402b22707fe88deecdfbe1ea752f9",
    "signature": "0x33e3ab413e59fa02c6eadfdb27e834c56abd8ffc04635e1a91afc118dab2c6a659e8c0b6e46f76b6c28b1014d596ce601fe30122b1072bef91222cd2455201201b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}