{
  "manageEntity": {
    "action": "Repost",
    "entityId": "475739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbb788b68f57e9a1d531036ffe745ae6b5302ea8648775ef68646fe1222d7457a",
    "signature": "0xd2b55775282b326745e1e14f9acb246a1dbbfb39ec6769096c83ca4e271a40e41a0f2f37db267428a17fc44a30bb56f11b7f235ff60c2e10538f5d116cd48a511c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}