{
  "manageEntity": {
    "action": "Create",
    "entityId": "1947773336",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"sick\",\"entity_id\":2032903906,\"track_timestamp_s\":7}}",
    "nonce": "0x308d40aa7f567867918309f510fca883ed2531f637fa217471cf59fbfbc9926f",
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    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
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}