{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74388",
    "entityType": "User",
    "nonce": "0xa6c805aac369043a40f20a4f949b7dfd76ceb7f2f82053f40b71fde279897ba3",
    "signature": "0x4e1f7d9dc164a4da3ec68b6a4960a04bcebdeea45f189a20d621b62b913b334332b126e1188597b4f39d84c36ce29c923aba8004c675d99ee6ffc7baed797e081b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}