{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xc83c4bfbdb16c3c4a05ebd199e28929010115cf21ac64b85e0661ca564620291",
    "signature": "0xfc12503ccf1b2562944923200a47ba17ffb2b9302805703528594d5cd851566672636872c427f3de4fba4db81273786e8c2318493eee1c2192a69b3a8ee575321c",
    "signer": "0x5a81BccDd6D352c2ee8F60f6C731E4125465471f",
    "userId": "606900134"
  }
}