{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503766776",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdde5f64e1939fcb8d922c539a35ce32c97b640916342209e8cf6a544d7127896",
    "signature": "0xc829118a385997825925561d9eb34cae490ff1f33130eeedc674ac73de5143ec174f7919b4becb8530578a9055a4ad07b08cbab3441f8ee7a729a08664695b251b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}