{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1453125606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbaf5a2cf5d846d9d4c5a8820131e8efde936ed0da3cf266f5e3a55893fd1d530",
    "signature": "0x6b375776a7173e379a961099d87b90fe071378f70e0ba66914c4cda4f712ad64710f054ec29804513779876d84f8e5f207fe7e2ad6b1b5fc70bcf03c430389c91c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}