{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490343376",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xec809dffb5a09db1f5913f88ad6fb4f8df50bfd5991487fd08e43565597aa8e1",
    "signature": "0xd6cd1f6e7da046e2ffa316c95a976384d6b9a548cf828970e98fa8b660bb553869d879826c5f882d0560da20a86e3e108ca0f11310ec239d48035b2539ec413d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}