{
  "manageEntity": {
    "action": "Create",
    "entityId": "1499244211",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Wow,, that's awesome 👍👍👍 \\n\",\"entity_id\":154810738}}",
    "nonce": "0xb74f8f5972e48b1a8f73f0969828f9e243c386091188380c1f4f2ec56681cacb",
    "signature": "0x9615921ba91424cc26d9f10f6a1409468b7eeede6b49ccec38a935e87fddbaf72dee7bbdb2b28daaf3bb56df64541eef9f26ca82404e708c25140949e7e1a7cc1b",
    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}