{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257044711",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x443dbd284b67692f31bda89d98f044da9b9109de3f13684b351d0253ac2fbdd9",
    "signature": "0xd2f92d717d6a522c5d96282337a6fb400c9c890f25c5f25eb7b4d1fd5294175d6fa84147572d9ca6efa65699053c8e4f66e81c6738d1f39ee0a9fda0656e1e761c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}