{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696738",
    "entityType": "User",
    "nonce": "0x81684af9e309ca0a3da48b487127568785933021c3d7f0916850a57a1cfd8507",
    "signature": "0x613df5d3228b49b6fe4f20f5a01014e62a2eff3be5e2f0b34db1bc8e1d4a556e19c6cbc83c238cf56992e55f243dced7e6e462bf37fbf9bcac6adb818b892b381c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}