{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf545a109e432bdd69425f403afc4dd5847b750d7a6f0d5f64c1ec5937142106",
    "signature": "0x26dd5debc4a54b3b337bb2d2f5709f5322ac787a350e76bfb02f56f483939f03285a3902f6c7f5884a75512fc2984c9a3ef6fd20ae39fbfffd21a68c0cc359a91b",
    "signer": "0x7BEea252ee71B9e1a6cFE2be4E559C4F180632e8",
    "userId": "466002242"
  }
}