{
  "manageEntity": {
    "action": "Create",
    "entityId": "11856134",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Bouncin'\",\"entity_id\":1065828474,\"track_timestamp_s\":30}}",
    "nonce": "0x7741aa7f8b607429b2a87faf779cd3d8ada56934023c7938bddcd92de171a75d",
    "signature": "0x0b7894d10dbf022585dcdb62b80dab1f0055d96625c4b440b51e7c04b6352b4036f8fe334a1ba9de74454f5c1efad060b3e7cb674612b7d65c8b7eee229275231c",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}