{
  "manageEntity": {
    "action": "Repost",
    "entityId": "508301",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5c64181de6e7df6e5471c7547f080e0f9c51db35f9ad4eab591b153372b7a2d",
    "signature": "0xd990e6f6cc08d4ba89d7d62462476f0dbb2a9e37306024ca5eee3e605006ea350ef18467d3adf580cbf5ef5383a39fe9840cb5aa27cecc7c1b786c0f411612821c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}