{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2712dad9b8755acc3662286cce3ba7eb25059dea2c7f0a26f95046789b07912b",
    "signature": "0x56db9e2855f4af88d183d7de0fecd012e7846f84c4998ca0ee496b7bcef54a547275bcf9f0e83a567dd66bed8eb4b4195cdd69642e5b8492d3124a901f36120e1c",
    "signer": "0x39ae26Ce5aEfA3872Ce90888be102a282C9254FF",
    "userId": "252933211"
  }
}