{
  "manageEntity": {
    "action": "Repost",
    "entityId": "431423464",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7ff919c119864826fc94d7a527fc8a767c09cc2d344f69ebafc3f4460a89fabf",
    "signature": "0x370305888f770b8592cc1d5a72fe1b5c440f68e89b54dc59e081c2fda11c566b38a55731efa5050d64b9171b8abc482aad0632892bb2680ea4918a8226e5d5f01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}