{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489516877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcb1cb9b94f45b0663533ef6fa48c76a156ce2fe1a80688d26acc1ad601fd1527",
    "signature": "0xf2554e1ff504de2d39ac210f2caa0407129e49638ab202c64667949d95ece2842d68475fdb12606482b09fef134bb0aefcf7443e6c22962fa42c5cd2f2c16fd21c",
    "signer": "0x580b8ce3181CecdE24dda8DddDB6a57828990d63",
    "userId": "214104220"
  }
}