{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6476982f71746ea0124e52ec8873fb546c6c97ac2b0d0ab3dc12a77d7c189c39",
    "signature": "0x2d338798eb13befcd031e6d0028295a0ce59037215f04564cf055a9a11fdcd6d68da8c291fcfd2f0db570ed4f04857e07adbb3e9845dc1589d22bb14e953fd201b",
    "signer": "0xa85afcEA194e588764eCf462ff153af8c230d084",
    "userId": "317736795"
  }
}