{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1464361784",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x14a1320eb0604f2d2ae42e4680f4bea43a77d88d9767a78fd2122babd0b82cf1",
    "signature": "0x2586bc87fa38aadf475db12c518ab271c2eee32967d9dfdbd1efa8f7e2f17a9f03d04c8bc7db63bf5dac7c10aaac7c895a9de44d035b3f612b2de262b635a98d1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}