{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657547883",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x739dd8cbcd1f43f7781ac4f744372b64720dfce6c5bc43e9089695be8db444ae",
    "signature": "0xac5ed46dd7095406d52b589f1bc29e87cfba607f9ebfdf54dcc38dfbde79480444cd343a0d857d1e7b50814ac3a657e70c71ffed14034154ce4c1faaca7f04ec1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}