{
  "manageEntity": {
    "action": "Repost",
    "entityId": "567104321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa684be059f7f803e6aba586b08ccba89cc710ac3e55b1bc834ef2ddd000c5ade",
    "signature": "0xc769303cfa8561c68f010fbd67da3f0a474f260aa0340532eb693acbb4bc758c2a8121808521a097988a085056802fbbafc8a0b47e6e2c47e23a5e42ad2233411b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}