{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63084",
    "entityType": "User",
    "nonce": "0x20849270593ccb68b26f34e3353392313525ae28a62f4c21a945d74568a1ab38",
    "signature": "0xdf1bb6fb4de600b1dfe6e071100e2d1aa7a40aca8e497b715c150c5ebbe3f2ea6c5f1fbe97876ecca425f0469f2db9941d3a259411842f9f8e7d0e4efd28ef1d1c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}