{
  "manageEntity": {
    "action": "Repost",
    "entityId": "591681300",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0e865bbc2961b1197ee018f9df42aa042eb97c810d3b88af6486dc2a83131961",
    "signature": "0xe9fc0d83d5e714a2cbca74c9852779ffb2f88d54e442a48dc65927566dfd178111145e6cfdf981f5f99cd1c50d16fafebf479e389121f875dfad32c564d27c5a1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}