{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1409970220",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe121b8defff0e2fc3a00bbf280bb6a111e0e6add9a5b3dae1b5e9bd9c2ae473e",
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    "signer": "0xF66719AC0E8463f8c9660B4412B4972e1dB48183",
    "userId": "57021"
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}