{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238779",
    "entityType": "User",
    "nonce": "0xb614b42f038ca4409ee65a313e1024ad776b017bd35dee363a1dc846c3b281e1",
    "signature": "0x2fea7160d8a5beecf5efba4f2bd475a3c6269cc67f2fbc010022621d23f2f55d3286dd7a35c1f1b6eb90a95f9f3022635ea2d9c3d67cde4fbd1ab32552f979051c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}