{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1209855819",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xee139a758e930121084b801d1093451df85ab20914401e1079dd0b743cb808ab",
    "signature": "0xd13add908becf7830573700b9fee6e3717af31ea56acf80570998642836d7a9a185dbeacbd5f2905b8a0efccf7b29438eef09ccf3c2856480180e960187dabfd1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}