{
  "manageEntity": {
    "action": "Repost",
    "entityId": "476978909",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x05acd8808ca580e12f6f83594f0f024222b29d0be7ab00c087cdc8447ab61d9a",
    "signature": "0xdbe99240a3a2e8452b4efa92e22390659d33a3fae126d6c45547f24d92d2f6652fbbe36292ee287d4beae729085326cab56cbc3d0a518611299ea96ecaedcf951c",
    "signer": "0x5aaD03EeeA903717f9a4E922505de7C75223d53F",
    "userId": "143226702"
  }
}