{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "210226",
    "entityType": "User",
    "nonce": "0xc19cc622e1746148bf0a124d9e106c747b4b55067dc12206d8c9c523d4394efe",
    "signature": "0x750061d507dab84b9b0a1ecee1c8a87f206be25eafd47609fa6f4a3977945035148ebcf06846f8186d07bc39a08b39b4f50dc365afe72a64d1da2866dda755d11c",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}