{
  "manageEntity": {
    "action": "Repost",
    "entityId": "28723",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf8dba3aac38ccca767a3a509f03714fd5eedb3bcedda30b8d225c4799b1fb902",
    "signature": "0x5303bc7274dee8a3d234914a662a90bd94c54d79338584d19cebf5709940399e01c96a9fb361e72b9cdf2f3dc9d895abbab08e4def705903d9ea9112e9078f971c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
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}