{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637909",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe0aed8a1318330bc25f0753c42260ca363c33c62eea40c26d0a5ce58ca904492",
    "signature": "0x3155f0cb678c72afca3e946f28baaf0238f7c12278aeb18dd704930e46432eec00b59ffb263b101153f77eee4aec79cd9ec36ee93739c03801a3feb957d56e2c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}