{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857738269",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f72ff7c0255f2a810a8ba94ddf7d411674187293a40d0519c4c251955efc1d0",
    "signature": "0xb43ac6e3b09ef32f8872fac06e581f053d880aa8910aa125633c08d3faa3f9b3382ca60620a72c2a805cf96a7437ddd15f0a4b20ee4a1bff213503c1c8970d1a1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}