{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123421261",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x46a09f15b9005d15bc1a340f20c3b92197c3885d2f79ef3ced063203f2dae992",
    "signature": "0x38f7468ac969f6e47a97142f570561c215150096ffe2522adf2426ad16cf8f3b1390b1e2f38e7793b7260d8a255b7b13ed690c0f1d40194a7ddde26b5ab6da871c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}