{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489609",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd0a9924b38fcaed9c6d7cee8ea7d88daf6cd629a819ff7b1d4fb5597ef869a50",
    "signature": "0x5f4f82e558417228f47028a282464e00dc02ad455c2cd63bd6c4dd633ada47e716f2431e3a6aee9f56f4d21f9600e68875e2d9ab10546d1bfd4749c642b9cfdb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}