{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558973",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5083ddd4582a4093fdcf0490777a8f8399762afd16b88e48fca53eef425b83cc",
    "signature": "0x0d8655e3baf14d7cabdb14945b9ab2a2749890e4757ba04038ba801be9ca438437b858ebcd1d8829781c5bf94985a3e136d85a8533b057fdb6f664e3349b9b0f1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}