{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878437933",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d5a431ad76ed876c8a1815df1e1b7df43dca15bb4a9d2a5fbb6e2f059ee0634",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}