{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324007",
    "entityType": "User",
    "nonce": "0xb0c60167494e12d96a660c795cf0d103907b0a310b02b06b9f1c80983d54e634",
    "signature": "0x5f773e82c23913c537142b3077ae5450630ddaea677915abe8562eb79a8e65db0fd87df7e66b065ddd4cb4a93861d1a10966e5dab974214e901c4ec8c2d699e21b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}