{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664870119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x307b39c71d5868a86d482d56f6b8e95c177479fc4af7a0bee7c0f52ab65e5d71",
    "signature": "0x8206a1b46e9eef7fd50bbbdeb9e0a04fe73d4fd5dc707bac4eba14c9a8b5163f207778231761cacf9f00456c877d27ebd0ae31a439b36684e4b9d24c068c0dc01c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}