{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421086",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd2523375b24d01e5607469329f2223ec1e0ce7ae29557c01ccfcfcfbfc78dab3",
    "signature": "0xfd7ca8ef8c7b49739a5b855d1827d80481f357a8020b9c5587a37d46431c38d95b4bd5c4de10e905fa9a467f24e3f4180d7bb3c12a74820d7ec1b220581b61a91c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}