{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1290973065",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xba9fa5ee814a21bd8d441881b2140369474e90bf5b646401298c068d722caec4",
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    "signer": "0xD7c3dC9EEf2D94568C0e1A9C88b58696850c7C22",
    "userId": "125737"
  }
}