{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685226",
    "entityType": "User",
    "nonce": "0x5b5e3ca37d35f4d9ff87ec89d81900556344a2dd47c44081fbfb638955cee1c0",
    "signature": "0xe880a28fee55627447e306a4bfe45a5dcf2aa8c32d9b1fa9f6d4ed2c4087cc3755ed6227e5afc51ff01f3c318c15a30b9d0253230d5d0bf1ee79ba18539c76821c",
    "signer": "0xf2bfF6262BF5b5791D86FB72b9c1886a9636D3B7",
    "userId": "6795138"
  }
}