{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573075403",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x30fbec32d18dc68dd167cb757cb45af24fe14c40e70c2f198a15b1d956b8a6f2",
    "signature": "0x4c61d2f97373fabd7c8fcdd31a9bb3664cd6750df09aef756dccf1c578434a595a626ce81b3635745937507a57a9b1869ffe839521472185533545313aa8e10c1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}