{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0xbb11f1dd4875dfa908c21f57ed6340b3ac502434a36f42a183c4873621093ed9",
    "signature": "0x8d01178f0df354981b58613af1686900c278ad5426622e75854aa1fc8614ca08194e6a302f194f6cc3d91d82ea124f2b3d32becc7e9843fb0c304ce3ef4350891c",
    "signer": "0x70b7c172C22ca6f528F9B205cff3E32D9D6cE7dC",
    "userId": "396607"
  }
}