{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7f1b07d9f90f09901f763045de887d4f283bf635d5e9220d2d4812aa91926633",
    "signature": "0xba7ea48faea3c6663e637b172c60a111bb6ab484ebcfd35172befca8a0a60e1d313d488211fea8cb33c930884e8eae2db9a7c6c73d0801f3cce9c5ef7cccdefb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}