{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1590368519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xce9870ee0a60f4064aad1eea6350cdfb4d9c9ede6324d3f211d35dc425d29c0e",
    "signature": "0x495cbcd70b0a9b6211e9dd4276844e700fc8dca11f63a27682329a050dce67f86049cfb4d0abc8a3521587a5c6dc9cad3c3443d879a8f1f4880634f5db4c70f21c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}