{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21247202",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75cdc82f8d6dc265e50c775058785a7876069c95fdaa4a9d844fd012cbaa5238",
    "signature": "0x759e3f4506036c2edc0a81326adb580fd15aa84fead7cf95824debfe48dd8f9c04ce82282931e60f37ba8ec912d700391cf77a87519a7f483050e2e420f10d8e1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}