{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x4d4f8d5b4f708d3603bdb1797bc08912446d365e499c7db88193f8119b63bb66",
    "signature": "0xb11fc8dd3d17b3631bacf87791270b67f8e91b7ba223ee736294fa02a635166931d4ebe462c7e5bf2ad06556a36037c7071b3c62f27414b708f7b5e004824d8b1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}