{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x5030ce3db2de656dcdb0e2023c8c41fa3fb6d6d4cd8e4fb0b1bc2906a77abc89",
    "signature": "0xd96bba76bb1e9bb4917b8fe34f5ade70c2d9d8059e8a9496ca808541822405ce72de44dc58c9a23f0ce7096376d5a326a3bd36a7a104a35104a4d6fea2fe9dd71c",
    "signer": "0xC0eEcD5Ab99B0f0BCcD79Cf620CA23C758E8a338",
    "userId": "136979704"
  }
}