{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1577070073",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7953ad909a6d3325aa3407a20600d5aa24406d5b909917ee040c31abf3fb4b68",
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    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}