{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x944a358d1cc411947291c981e594035ead883b04901f3cac92d269ba5cbf58c1",
    "signature": "0xddc8e82befa3e9e5db2e252d47d912d6c47e505efbf34bc997ddb5b92f8d6c556d4e7caf25344d14ea0004bc6c90942e11fccce094dd106407ba94574052b3721b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}