{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648619",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x14dee107525509e9ca62599a13d531c5d6fd3e624508e2371bacd301d1d16cc5",
    "signature": "0x8edbfefdfd3baa99a338b103a3849c39cac2a12da2a48d6ab179c65e5ca026066d99c3124d0b4ee16120b7c01fb4e12ee426bb6cf584bcffed45c97d63d65a351b",
    "signer": "0xAD946b49DD63583180EF36B4e92703f717684d6b",
    "userId": "1112761"
  }
}