{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6f34ee4224288df6e6280abc13abf85be2047e7a76535729aeba57c7870997eb",
    "signature": "0x634e4a7a2cd53915c929cbad3116c96064ea12118d99d81165b7e923e295f8cc4fd340a59a4296136c1c39cf4698dc157f12c2ecbeec16a50b94478176b6026f1c",
    "signer": "0x9Cc78eC75533CCe255cb0D64B87f1806EeF8C4ff",
    "userId": "537863037"
  }
}