{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990464541",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x07803faf306f052d4120c258f2557ef135baa0ebb3a5b88ac404c36bee3bd793",
    "signature": "0x5c69ca5e889703907f88344b23548110fcd2b527030761b1c0910013804b1dff5f896a720fa97e0d0a0283c65c9dd4939b98456a7160c0410e815a596cb72b881c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}