{
  "manageEntity": {
    "action": "Repost",
    "entityId": "306677",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x18a40cc0b6be6e01113d54ef255eec30c1aba52aee0a9443456086ae871d69ca",
    "signature": "0xd7e755e0b3e85f53f99da7972d47538a1a6c3a6a021fa08fbea431452cc3bbb45c5a1ce75ae0fbc9681e9c9904b341dd105c8a806e776ebcf8bf17edbf66d4671c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}