{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300457379",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4afa33ddc4514ac7370dad010cb2b6f5364ae3d8634ce1b79cfd8c1aa0bc28bb",
    "signature": "0xe383971f2be7ce9e78c26eddbcb3e91533a88932ec4f4510019ec54ebdc6b821360d1126a370f3b0c8be5d4c67def2f66342360eed527620ca3f76d990dca8f81b",
    "signer": "0x5cd3eA7DcAA86960596227F4c8624063F3B8893D",
    "userId": "215993"
  }
}