{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257386",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x59ca344d008d9dabbe49856cf0e2c489047e981ddb8cea0615d4b020ba820418",
    "signature": "0x8f411a77dda26580515682bbbc9b598fbfd11953e0c3266d8a56f79c197ccf932fb70d1c4be62de97d15f46216de5635a379dd46e6c38c1e7ac6c7b59cbcb5901b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}