{
  "manageEntity": {
    "action": "Repost",
    "entityId": "877464806",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4402683ee94905497e88957e3c8aaa662a1e4ebbb0dd5c2233e2f7c380feee28",
    "signature": "0x03a4cb7b118572e26e963d97f235ae0d7361dbff1925979fe2de049c5d53650712da29c1131bacec8d05a0b8050e4550980c7170b15e32762e40e04efd76ad4a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}