{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xb72beef04fdca7c919c4ff381026839d1ff553fbb752bc252c3704d3a7dce143",
    "signature": "0xb7ef3ac07b9ddee9ca0cfa56200b8ef40abca9e8785356bcaf1e604961344de34fc26d47c0d774e518b41d902e152fa175ebb9ef029e39266a12f85ded0668d11b",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}