{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457503497",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2387a6a59d3bf066ba003f9303f3fc43f3703700981012d2022675e673fd9900",
    "signature": "0x502acd29a42e42b3083a9cf377ccf791ff03b1b194990f69b7f0a0d4018bfcb659b56275b9e90c75402fa8db3904277c15530629e8f7deb0161c6ae58956a2ac1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}