{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748847722",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0380e2db25f79fcd6cc48b2fb8bf737f9b28146b6e2695e17119fd5ba45a978d",
    "signature": "0x63c67ceb95a37ba0406eb1f6cdd38045f862fa1ec850fbefec76578dd01120677a8ad6e1055f8fd54012f5571a1a0c0dbce2523859ded05a421a841614b3341c1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}