{
  "manageEntity": {
    "action": "Repost",
    "entityId": "763555",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7cd807f183dfb690fcc303ea00ce0c23f61600975b7e6097497a2f40df693b19",
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    "signer": "0x2B28feb1CA15953a5a910C4E741698a24e8b3FE9",
    "userId": "887020893"
  }
}