{
  "manageEntity": {
    "action": "Repost",
    "entityId": "55557574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa7c5f3b672dbbe6697ff64b16bc521d2ebdf93f88cc28e207e9fa934cd61f815",
    "signature": "0x6fdfe6e7e949d75be3e3506d2c58adb1c5e6de1ffaa6006d368c1635e73848c53fadaafdfa424c17fc71e9be8e12fcf0581924e1da8b09d26cd89fe1e3e4613e1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}