{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300637838",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x56c304e2c4297fcc6e1c71d1da203bcdc1b2f37c1b027656b0ea05c583e4b91c",
    "signature": "0x9009c0867afdfb090fea3af1779c846e25d297efe0c3210a41d04066013d47e824b94f85d8b1ae64fb0fcd0421a0bae924157dcb83712c9071b0495e4da643bb1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}