{
  "manageEntity": {
    "action": "Repost",
    "entityId": "440642703",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb03ea8538625264b77e506b278eccedbe1ef8a7acaa00d37fe46d550e94e7df8",
    "signature": "0xcef9497a6064a7330d9946493daa5dad16720b8717719a5e40f73fb7bbe9326901cea4be2066c6d76ead307b1f839c9dcb20feb46b8519e9046f1943e414776e1c",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}