{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x852c7b9ebe14ff6e78181ffb0112225939e0e9c56aefae8c8eed6509f24becb8",
    "signature": "0xd2e589d68388bada022c834e3ca6816b00a22a1495ff2fa52dd359e6fad0ffea67348cb1586ee17e913cf0400fd24bbcb7f139173246af7582dc00123b6db9c51b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}