{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44512",
    "entityType": "User",
    "nonce": "0x36932fa9b4436d036d1b99600d6c84845643be0935d5b62b37b6bcc055b42465",
    "signature": "0x7d1c272146c63d57582a9a3d82c86a90f1a0ec98d41c05312741cf7dd6830c363c83ecb8e6c8e2cbed53c173acd58fb0ba6cad2c7700d555ded9aa965c7774801c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}