{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545571",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x16dad128cff822e87eb39c549ac7598bb1518f2b1330508a72040a2e332a0ab4",
    "signature": "0xe8bc50c3569589d50a545e87b81a37ea79758d1ed3ed1274db2f8fb00b7ef8dc3811ea9844d99f041473584ab5d55ab1a626baac0bd171c4b827a59bc2b5ebee1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}