{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x07d57fa623af7e8f2417025697e5819b694690dd30fa99fd73535a7157deafac",
    "signature": "0x37ba23183786ebb3c567a9b46e8345a6b038c9867514fe8dd5f98ab3b93f0fba1fbd7eb4e9bb78659e6148e6e83a5b5b987388350c3745d8e5556e351db549761c",
    "signer": "0xbA3b8b40E01e91bCCC95B282Ac3C7296EBFdf5FC",
    "userId": "457584438"
  }
}