{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe82c8534c689b5aafc32a810f35acad44bae7492636051c8a625c82d51a1fd31",
    "signature": "0x0de5ad1002a1fc0ebe3cdff2871dbbd41a82593e05942cee2a635dd4332e3bae5354818d68fc5e63e165133acae0ad330af2006e286d3d589b9d8bab3e8dbab61b",
    "signer": "0xEAD5e96Ca7FaA2eE0f0597E45Bc308cF4EC47b0a",
    "userId": "429363143"
  }
}