{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553906647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x48fc53c86c3c238423322bef709938cb9a2687f7a084f8778f665057e976eab1",
    "signature": "0x3728aa451b05565a0296a1bbda6a22961b8d06122414413a29a33f105ba9ed98349f48703b538ec0c34759918c540128baa047ca894a0adb7890edd05ca7123d1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}