{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1391296228",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4a73af98a242bbcedcc7720c7e8db2e1e3e1cb2a4f6278849d02823ddaa2eadd",
    "signature": "0x07ab316fb4b461b51595ce4d45e657c17646c63aee693eb28048cf62fbab8cc15038a8af642cfccdec4c47e928c51241e0befcd733063b920437ef2202754f131c",
    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}