{
  "manageEntity": {
    "action": "Repost",
    "entityId": "673713498",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x42cc98b49cea3271b9fa4972dcb80533d192bf9141d5e8c76eb31982d10dfcf4",
    "signature": "0x850a6356040ff2b8cd0bf3bb6225d7dc9604fc55710974c4cd7130ecc9846e5d7ace837fbe4174b811647cb2b2b752dcc6628cfad9b472a5d8bb4c6a266d079b1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}