{
  "manageEntity": {
    "action": "Create",
    "entityId": "1513025790",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"I like this\",\"entity_id\":368857936}}",
    "nonce": "0xe1dc0fb327a39ef6fb5d14f823c244af5a718364cfda5535a8fdc5b0c030c5a1",
    "signature": "0xbaf9cfe42334cb74e326bc2fb4db74cda08fc6be8d8780bcf353791b688030ea5cb5b711b2d1e065a4c8faaab45c2dbfb12f4f9a7acc3b3e7ad7a22e9f83c4ad1b",
    "signer": "0xF092Ce2889Ee6490A601Ddc0986c585faE589CB5",
    "userId": "658799981"
  }
}