{
  "manageEntity": {
    "action": "Repost",
    "entityId": "396951542",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe6189f30325af259d347a5e174abf7e45eaf399c0c2ded6f2ab3eb9dfa922fa2",
    "signature": "0xb009daf9d8e1c49a53c7f55310d43016655cf97decbfb8a1765cdc01eef2cb26174b19f75647a7625908f7d86b3d0839bd00d0ec5856d50bbe65920e0ebeb21e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}