{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521312801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x655012c3c19e09cbace166dd5d76176235a981cf1c51a328b9d50243530a572b",
    "signature": "0x62fcb2942da189664b9adab33ede0dd90bd0db9248fb0041c85b45643bfd8cf532e5a2013e023865eb12c9503d7331f010b09a046a4ad6afadce51b182b6c1bf1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}