{
  "manageEntity": {
    "action": "Repost",
    "entityId": "549918416",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa6e0bb52baa504d76a3bebbc5e500061150eded6a28517ed94b5465c874d883b",
    "signature": "0x19f2c04be0016271c2fd64e775ec4931853fb34727a6bcd9527f3da93ef934503c8408b1aa5a7f9aaa1e5b159def86f239dcd9a6e0654f8ac6c9db96de0b42351c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}