{
  "manageEntity": {
    "action": "Repost",
    "entityId": "490883893",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x10ea2ed4329da2ca06222ed31acd627f1ad5c82502533f0c5e9ee953dd475dba",
    "signature": "0xf337d6076a5826fd9fc4fd083076fb095bc2570c932df1ce4c80a7b965ea311b29abd71e0441c021c8f0991829a0b031ba3f37e8260fd9a6adaff15d6d35f3661b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}