{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578578052",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7e15ba2e52ea5db8395488bd0bbad9040055844bb658720a84fa0b8cd6f25203",
    "signature": "0x1e743cb2fd9a6a0996f8a1593b49bff3478187ff859e8aeef7d10d8fd0e0e6fe6d96fa5aea168f80c91e2682d255bec0318cfa6478e28c778adbcb82705a94d81c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}