{
  "manageEntity": {
    "action": "Repost",
    "entityId": "464923",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7457f10eaa97d3d87e59c099c56e4aff779c87cad1aae3deef6a5362423f8d3e",
    "signature": "0xa5c560521761861515d669405884fc7ceac86d0c4fc92ef2e1b41707c432fc6c3ea31dc28bd2e7714c41892aeb6e6431aa81c9f0264ad6aa8bc2528336828fdb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}