{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1038659851",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd74be0ef526bc4eeb4b3e9aebe812689a6475eb0d5e8642621edfc0b4635c361",
    "signature": "0x03a558b16c70c4543fe0e7c86da291cbcb828661a60b7b86f73f70f285734cdc499f6853ec33a0cba8d8d47c2e71bb301228eb745a3f50727b62020c7a87c4051c",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}