{
  "manageEntity": {
    "action": "Create",
    "entityId": "1610600025",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"hello\",\"entity_id\":580838199}}",
    "nonce": "0x214fee7aab833ec572ad5a81ab9276ad7b065b5e9fb8b941679e1be2cc7fc7b8",
    "signature": "0x985f3943e231e8dc2d3fd77d47c33d9d538768ba25d25810c00edad3c03c40a70669307c397776ba0d065079d99a86c802f94e6939c3fd91b0d48a279dd058871c",
    "signer": "0xF3f2A660938e89f083B5A0DBf0d6bb9Ba161b727",
    "userId": "633325839"
  }
}