{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56611",
    "entityType": "User",
    "nonce": "0x0c30e721b4d9a08a1e2bdad2f40999fcd4ebfc98c9ca673b7791edd02938cea9",
    "signature": "0x4a96708e114444634c195515780a9a1cef767f787b7f56bf54cba6f0014e858b6ad573cb2bdb28af0a8c54e54f8e398a2e442ce7b7bf67f866f0dc80a537ecb91b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}