{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521978499",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7d559fa6cc3dd310044a4dd25391c7a952d646a41933c3d3db099b93d0ec1377",
    "signature": "0x9e5fce5ea6fe7fb6af981a4f5e0146e8e53f6bc9ac17352c87c1004d3bc0a8da253255ea1d547ed6ee253bf8207d9006072343a7f00ddf8d6e8707a1e32fc1201c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}