{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499899881",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc5cdaef12ef9921f5947bd49a369a6d755fcd616ae5653ed8515374ed4c6675d",
    "signature": "0xa7b3503963a5a0132df6a829bb1d9db55e7477cd6648db2ea7c6c44208ad926402c069d0e3e15538d6c735498afcb1b70e85071791f80790c5685c902fe07efc1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}