{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1507971219",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x645d7a73c5cc8a8bd1215b02072b155a0c7d73e1daf30a0c43cb9557062e4f53",
    "signature": "0x3154325ddabf9b0bb9631b8b6f57077e1583988915cd0d81279a703dbde0f523721a5c9a70f98edd455dde22b01105214d0ad2d4747d1c1e58d31dbdb93c38451b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}