{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621253382",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4cd9627b285b8098621c3a75fe9dfd5960004bbbdc03e1a491dc7fb922ebe2c",
    "signature": "0xd6470f992ffa277d7e0183d490f2c80c627ae8dc4570f8bc09c4ba0d1edd77d15730f008f907e289fc0b6ee1ca8d7138f312de220c283c927d6e3737deab92cd1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}