{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439483255",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc1ccee7cecb4624fa723d6d7974035fed42054b48fd3e99ff140f7dd198e157e",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}