{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1389640763",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5175f118ce6d749d826e2a0c39f7e78c297bdf08ed78a98c31d6fe3cd9567359",
    "signature": "0x4c3fc69aad9da9437961c8f95433304a2400b18f15cd03af6dc1f45d7e77fb47409e0514ea70a60f80f630d7a3066d10f2fae38f9304b0a3b831d679cfbd45051c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}