{
  "manageEntity": {
    "action": "Repost",
    "entityId": "691640",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2cdf0956e692281f890af9edeb975903a0b51d5ea667d5d658e72782e1bd2f78",
    "signature": "0xd1311b2f9b67e0c8e2737a55159ffeec4e367ff7fd30785f546c548fce48c1dd0bd8bb2019de60508c2a0dd16dc471436f3bb6ce958f7a8d3dad0b5fb9a997b51b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}