{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439358",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x99083a7c099e5f730695490dcb0d40a6cf3e45415d1657f804e1cc975deee26e",
    "signature": "0xdf67b77845fbb868ed3e29dadd3f9cbc543baeb937fbd112b503e63562a390753f832714935ea9df426c641d0ac5bbd6ce3d94d454480eadd80e6fa3f19fffe71b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}