{
  "manageEntity": {
    "action": "Repost",
    "entityId": "289438732",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e3e1f0b4a301befcc4254e8cd9d0107a6580b25e9bdf30dcc889a9aa09eb4b2",
    "signature": "0x07a768d169da1cea617a09e6df5abaab352005228b8250d2798a87db41c07504129de132d3e8769cd1b3e944066e370d1f4f74e4243824a7ff050813fd8f45471c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}