{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137166",
    "entityType": "User",
    "nonce": "0x6be250055b403010fac2bebe361514de0bea3f5907bcf21121093ea2481d368a",
    "signature": "0xabf5e5e03f7ef0e09cd04fb07a8eeae51ee0fbbba2fd8b07e337468793fe67ea1ecfa695e4e866a1fc2b7f1599edfec9aee6892287d1fea65527c76da6ee21f91b",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}