{
  "manageEntity": {
    "action": "Repost",
    "entityId": "507055858",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4586e03b1adce859afe45051882e8e469edb6e628f7b141452d1079334c8b88b",
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    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}