{
  "manageEntity": {
    "action": "Create",
    "entityId": "1622973369",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🔥🔥🔥\",\"entity_id\":1090339922,\"track_timestamp_s\":34}}",
    "nonce": "0x06752e4c11830a6ff61d5e5ada0b34aadaa8393274bf71392c58cc2d5f6b8259",
    "signature": "0x9e405ff19cfa0d9bc1ff8b2c55a1f6e00619dd12bd67333a77e456a8fa2cbb9b6255a64ef29521c6ef1a0672718f32ce8a4e58626de86e694de0b389798a4d9a1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}