{
  "manageEntity": {
    "action": "Repost",
    "entityId": "677373",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x684749ed1a1a8698fb67525cebf6d4d8dd126391675fca8addb4c6bae476b952",
    "signature": "0x6f4d43752fdd3f95b262d4ed4c51b9153ae997cb85de72cdecb8c99031f348317ba36eecc670fe8968cb43338b473788e764641c4b6440f1b00e1323c303a3661c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}