{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645599513",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1521f4981699f33891cb2ab1998c78f22fe246bf18e374fb31354a010d6c28e1",
    "signature": "0x925e4662960fdab3b7ce0ef97b91c2aa31e518bfc07e4c4400744c91acbb0733602545fd3c85481c66cd99d1224d001eac7e421962edd916b9ad8a9fdabf46b71c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}