{
  "manageEntity": {
    "action": "Create",
    "entityId": "317337707",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"body\":\"test 2\",\"entity_id\":1647643050,\"entity_type\":\"Track\"}}",
    "nonce": "1777435095145379373",
    "signature": "0x68d117a67fb596e2bc65775564c18d1d66e594c537918043404c7dea02b969f3035420dd1958c5d80a6e6e8f81c31addad7e00bdd8aff95d69d4c5380568eefc1c",
    "signer": "0x3f0D2D42FA7eece2896546a75f5773D0B8DBF44A",
    "userId": "9859"
  }
}