{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503015986",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x28bb2f80c0919d380e89a88ad18bad2817111899e781e40e2029edae5e15a4e5",
    "signature": "0x9e38863968e4ed22888b67fc444fd7885c6c4495c788c8ae693a3b58c4ca1bff2cc2896b45112c86aff1e06071733aae8ea2968a310d8222169d0a6beca6ee5a1c",
    "signer": "0x98B3f06eAEa080E8d8b1C86F1c9FD36Eb33dEd5D",
    "userId": "615702798"
  }
}