{
  "manageEntity": {
    "action": "Repost",
    "entityId": "744459",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x228feb8fc72e6a37eba0019936fca22fe35837c2a2d813000a40a2602dbe06a3",
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    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}