{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x475fcb7d7fa6d42fe79b3445f2488185285b5d2b9660507cf1817d949bfeafc8",
    "signature": "0x3da594d5b59913868513dc40fefa4214cf74d0dbaebfa9a0ac14e8f680a2299e34ce6b56c12bd714f122f8ea7c7ed2ee8438cc2f10e136e303ee2cacf7137e231b",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}