{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454676672",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x228ecc2cb8de7a1612db545989c3666ed0f40cc69d1d0791c5afec2ca48e4938",
    "signature": "0xed2c82333c832f67d26732841ac3ea2c990ad0b73dd43f2781ea3e2c26633bae56ca418b6cd5ee1a15e2ab718ccd20819cffeeedce2ce4ac72c73486704808e31b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}