{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1443053143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd8757cfaaeb5c886a6ed0dd1bb0f1092b4f6ee92b70be914d5e29d3c40783c61",
    "signature": "0xcb1274f088c4eeb05a1a66ed09239fd59d54b2558ccb4f303a789f8a9cdf03533a71b0af4cba57aacf7f8fec4dfd9badb254204860aeaa4c98bb73f270cc43aa1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}