{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x463e916614cdec284beb5534774ea604c15e498d5d46c28e0a611b33b7b975d1",
    "signature": "0xaa6a8dbcd0574ed31d47f0c70e98305eeb4e3c875be90e82d80fa8a0e91ffa757e5e67cb3c867ee360804a5f1546ffa926b80aa6a850108d748d13e4d7476ab31b",
    "signer": "0x5D00322270e245E33ccB70127b557dc2631900Fc",
    "userId": "503107386"
  }
}