{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967215477",
    "entityType": "User",
    "nonce": "0xbdb3c81d9ebbf3d741b84cb66faf5afe29ba797eb2d05cc1c29d1d62af968885",
    "signature": "0x07a83c172937710a4eb9aa4455d82ac4e6a5a012bc50f010982be5c3bbde971a060003dbf82896284a964dea2c6df44270e7786381a8513cfd4f5ccf9f54b0651c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}