{
  "manageEntity": {
    "action": "Repost",
    "entityId": "253735381",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x21930c63f247217dd6ab1e6b290bfad3aef4de007c52d02857488888361d7748",
    "signature": "0xc07c14809ab25eac6ce8c69eae4290e4e5770f39f968674ca68161cb964b74c600de7f4085c8b5991e8753a11b901ebdeb8c25f86c3adcb88fe97ab8d76554361c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}