{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1873357622",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87c9530bb79326405d7383ee16ca4ac738cf745673df9e7de2933cc1ff19f3ec",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}