{
  "manageEntity": {
    "action": "Repost",
    "entityId": "288126959",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39cbf76e9cded72212be26951a55c7c3e2df9d7dada918ba95e7a9517d558bcc",
    "signature": "0xbbcf164a03c93c8d94ed8a4a02169db76c2e30acf144f2036df7e326eb309af679ff95452a88f70768cf255158c20832994a0082d0f5be28b835975500aa7fbd1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}