{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x99c5ad3f905c644179dfbe18052148a11e367cb4b34af39632189a1cf27a15a6",
    "signature": "0xe6ec75570c8c732b1c3f63e9a87bc55d1cfc0a297a8afe6075f74b4eb5a973250cc7c37a32381eb6a71f060e94974b3ef20c639e11413347aed626da0572975e1b",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}