{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603752896",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0088218b2ebdd681a03cecad4df6383cd86eb8feba5c15346ff8c1d88fbb40bb",
    "signature": "0xeebe64f890aacad75e185baf2be70f7639cd45b2c9c2e7f8260896192754f478209276ba417346ed9df8d42bf759a7a66298d1a8c40705a21feeffe6bcb47a131c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}