{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1894740796",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb52eeaf7ed9c3645f02bca53d07f13366164aa735e3134758c0b5d044af8794e",
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    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}