{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xe1991c7acf2d7617dbda58e974bc13d18ace28e309fda50349b59889135c0b0a",
    "signature": "0x4d75e95d32a083f801396ab17cb6b887b9873e3ea31986cc73abf9aaf396738b274d59bb4c4b291c8c3d98a46d807706e6d2fdc393fc8019b76ce4eef149e0181b",
    "signer": "0xd8a65dC2d71D6caDA0ef13A84908F90052c425DA",
    "userId": "837557269"
  }
}