{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1404575843",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xebb06b3daf535e32b692ac3f8f2ab93d0f15e2fcf32bd756d1b33d654981730c",
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    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
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}