{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639967414",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x86d56ac850397b2c0cea52d230dfe6e2a15e30b684635e066140d36b0f3821af",
    "signature": "0x219a1b71ca9ef10e3d6b34504f036c207455cba295295c770f60216aeeb6567313552879bfa08fec9f9608d91a151578d5b2592186d9af5a784e60f2d5f2c3861b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}