{
  "manageEntity": {
    "action": "Create",
    "entityId": "554460513",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"sick\",\"entity_id\":819600942}}",
    "nonce": "0xd34df5ecd36d208d87c2fedd19cb79ac521b22df1a8a1583d668f126ce8f2c0f",
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    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}