{
  "manageEntity": {
    "action": "Repost",
    "entityId": "339967",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87cfb3f5a20f7e68117743517c1182008e9a2fdd50f8d5a57b5f2afd5ff6cc65",
    "signature": "0x5c0d83480f5bf9e38c84007056b03dd34e14a0aca61342114fffbc50b9a9367604b7a433d9574cc66939bf4c61195092ce0319f89df56c3c196a1fb6b8ec4e331b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
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}