{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0551d5c73018f7418c4073e64bda11aeec19adf2ee51973cac9255adb411c73a",
    "signature": "0xe033f6123d6af992d80901ef0a8fcd5e7681d40df28b17049246f5360789dc876681f3d4538625c41638e3e330cc63e982b6cb2aca19ea8d1781d90b842c59111b",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}