{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664240519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6f936652f6a19931d0a514380106a43b4b776ff8f07c0bfbe226266df20bf9a5",
    "signature": "0xc2ff1658f07f5907661397bd37ad8afdfee480b1a9c17eda0f1a64cad80051a711ddfcabfe1ab1e0b1da96d073b44f7eac15869fcced98c9015d4ea4504e9bf41b",
    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}