{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0xf861d20cac3c824c75d218e44d4a239881f539919bf2fd1dddd6d4839c54747d",
    "signature": "0xfcd04d43b7c8027049d3218c650119223b88e64657b054b0faec867bae41bbdf1c28e973613ecb19269683822a914723e5c1712411c57811434ad8118c1208361b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}