{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428380",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1a23aeb36d3d85ea4e2fb70364ee14ef48c0ca1de37bd52ea6f54d72d5e5a3b1",
    "signature": "0x367cad937edb24a13ff8d14273efe99ec9240276281bbffad53cbbf493f5f23f330e7c3a1ac20949961f94aed890e9106ad75b7f53ab7aa6af85e947ce70251d1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}