{
  "manageEntity": {
    "action": "Repost",
    "entityId": "5621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5df6faf63113428a71a5d91387c9f8723fb925c15da5549af1df6dc40a31f197",
    "signature": "0x7e87be38b52798a882e40561a228548aed0beb3982a4cd7eb279d2d249e193e8209e00d1f92a0cb5eef706d49ac755e76f12eb810e459e7dc91df26fe2a739281b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}