{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1389538370",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd51b970bce9a3a07a2f883318d28e8cfba829ab0022b588e5ae59b439e7983fc",
    "signature": "0x15bbe92afcecc857e21c4aad33522cb3f19f447d2a606ed3e99ec0feea0ca70e467133ae51ed9156ea088d4dd3a936fbbc79b56f14aef8dc014bbf242d0b47bd1c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}