{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x79bf13b48f917c878e00d9e842bbe34360e50e1b663c46e77289b2505556f457",
    "signature": "0xf8caf3f4e20e1b258cb157a6c2c6542363c2c5582c2ccdaab8d415d4a88bb8316bde6a24e531090e242f1802208c4a2b4d1a681bc59f9735a23f24056378271e1c",
    "signer": "0xE6e03002B9C5eE8351ACADA56815831d91339c9a",
    "userId": "625610029"
  }
}