{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678416421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd6e9501d6e20daa217211b2c72b0bc301f6fb353cc0be722ba0c8a1efff25fd",
    "signature": "0x547741f0e9c2acfc034ede75285aecadd818ce577c17d167690be736dc0b29d54aed1bbd38f15e9164ef50095bb8f6f90409e63462b2fbbbded76d5a179e67131b",
    "signer": "0xD7c3dC9EEf2D94568C0e1A9C88b58696850c7C22",
    "userId": "125737"
  }
}