{
  "manageEntity": {
    "action": "Repost",
    "entityId": "899789441",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb88a5a5deb14d7238eb157ddcf607fcb6440ad479d68d20de2897daa649dbd19",
    "signature": "0xe4b27141ccbea48f1631df4a4b1cda6307c7b08fb509a227c9e168b6283e11c53450473b86b48869c1f507c0ba91f66e0161c9f6f44d0cc5a7fd0f3c0a7512f41c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}