{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd652097e90c021403b39b09efde1ada29677b681f94a4b174f4322cbbafc3d34",
    "signature": "0xe490b845a5f6a40cbd76fc9cd4cd6e24878f62fe5da303f5880e76ef34a8f091412419a0e2f0f93404a5548ea8943e9158ae1e89c2cb00b070625817e7a955641b",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}