{
  "manageEntity": {
    "action": "Create",
    "entityId": "610688756",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Cool jam🎶\",\"entity_id\":1906908668,\"track_timestamp_s\":101}}",
    "nonce": "0xd743ff84ec80c7837c851bf483b300573f0bb8e2b11814f099aef4cc210cb78d",
    "signature": "0xe46d665fd64c87d5783583b3ad7ec07e99912c0286b69e3d8c1061a9dca66e303589999fa41fcdf13272aac4b2bbc81635ceeb7f9765b2b0699df92f574ffff21c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}