{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538769",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x53dad816f5f4169b002f19b9e5ae322a30be769d3591e2ac9af8b64bed885896",
    "signature": "0xe7a262fa130872b6c5fab6dccc0d50f8b83915ae072af5c9d44983912862f9733b4c309e31bbfbfe672eca67ddd800bb8ce3b0ff9b0adf581df137fe534f6e031c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}