{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604139",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x018cbb5539b08c8c3aae7bfcae11eed3f7b5474cf58d4a9af2851cd2ce6e4572",
    "signature": "0x861ebbec2051ca22d5dc6974ec5afec002efe4085232bdbaa18d12fa60cd991f5b00711098bd23c071297bee408399b0d654c2314990f343f6ac25c9e17597c91c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}