{
  "manageEntity": {
    "action": "Repost",
    "entityId": "455637746",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x17dc5b4029187e44d2d135f903d81fe0289386c68b9316de44a93dc25a11914b",
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    "signer": "0x316933E449A0b429014E405447c447C9Bc472bE9",
    "userId": "451684863"
  }
}