{
  "manageEntity": {
    "action": "Repost",
    "entityId": "564450",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1c7267c00cae7f3ac1a635e830413402b29ee5e2d163bdf5ac033b4f2f28069",
    "signature": "0x1748373f814b0d3525e321ca5d54af6d7e36360a5debb280e427babf7d9f6b865e99c890a48b46e2eaff30b4e88ecf4392d11d3d3460faed73babadf255cb3e51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}