{
  "manageEntity": {
    "action": "Create",
    "entityId": "822037127",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"oooorale\",\"entity_id\":1270542170,\"track_timestamp_s\":68}}",
    "nonce": "0x6b73f7c80dbf16a1a0442f6789fd59014f2b4ae5cc0b831d1d8a1d3f43e45152",
    "signature": "0x367f183e892f4ae629c846021c4e3591ea5a73425a6f2a5f5bceaa2c1f049b323f7ade218a5950a9e5c5e9ceeea0cab92ac1730f216a951ed3604540cd54b9811c",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}