{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x68c901a6c5517eb0bdae0b63381e2a6ff1311abdcd6be79b83b34b635c143ba7",
    "signature": "0x27151ebbc8e3a113efb6fb1e9ee12c639fec02cfd4cab31de325460842b503f4757615f1ecafb632ec5d68c3b5fffe8099b8e5d4f2da4ef191fd8fc7667a9c4b1c",
    "signer": "0x332ab1162aA82B8ba48d0246f9F2bE54a69B4915",
    "userId": "119307795"
  }
}