{
  "manageEntity": {
    "action": "Create",
    "entityId": "117903178",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"genial\",\"entity_id\":958467952}}",
    "nonce": "0x8f92a116fa9d615df3fd49253623d7143c453f9c28a3bb459c817b67487b6be8",
    "signature": "0x4b515ef35e83c595b5c74c282ebbb38a3851c1d060abd33bd79b5adb692591ff53c74b77d0ce89cc0d168f3a4b03001d2482bcfa9b6a246d9994ab16356ce6a61b",
    "signer": "0xca797dA7dCB793742623d55EA81fb92A9566B550",
    "userId": "363062902"
  }
}