{
  "manageEntity": {
    "action": "Create",
    "entityId": "303552024",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":906184213,\"track_id\":1445676310,\"body\":\"love this part\",\"track_timestamp_s\":176,\"mentions\":[],\"current_sort\":\"top\",\"new_id\":303552024,\"entity_id\":1445676310,\"comment_id\":303552024}}",
    "nonce": "0xcda9528dde94657aa5202f056c2a8171a215d0099d2a82adc8394a0b57cca417",
    "signature": "0x673138dd65af4ed97316a32566fa5c38332b9af8587d839548b50a1540a54d1939d1a66cdc0ce1c7a54a11ca6a08c3948917e2c2c3f3e6ff2371495edd7206801c",
    "signer": "0x4993C3631eecd6e8c1635351A99C2103C7d6Be4b",
    "userId": "906184213"
  }
}