{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1553397098",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x915a6db0a844579a299600fbcfe3752be6ddc31fce6f2322e8fcaef2ce4e8a06",
    "signature": "0x4e883e3618457ad37ca36e5b829e85b3d1cbaf818347822689fb88534555fcb822c8821887b4bf351c6b9d5a86665f34ce36510deb6e4bbdb608bb1551d3dab11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}