{
  "manageEntity": {
    "action": "Create",
    "entityId": "885150788",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"drop slapss\",\"entity_id\":1446427735,\"track_timestamp_s\":166}}",
    "nonce": "0x078dbe6abc5b696d63dcda218b0f26411cc78219d8364968a9fd7f1530475275",
    "signature": "0x3794829e78ba3bc317457f766883f0102932e19b9a44d57eb9f47566875acb076794e182f02ffc2a878fef60e5b090973e14bdde00fb23766ffabde807a9df721c",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}