{
  "manageEntity": {
    "action": "Repost",
    "entityId": "340183583",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5e7ea12424267f6d691301a9955ee5d5fcb90e05c8a439b9693eae65e112a96",
    "signature": "0x4e1cc1f4413b14c7a421109cf4c367b9ba339b9ab8739b723014033bf1bc9c6d0c4d6af4c8ee82d5a9f27cfd47d08df5dd321af03288ff0cc6b317de3a5ab65e1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}