{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121494780",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd98883cf090f341700914d06781f0d5a51534c6683aaac48f8554d04e72caf40",
    "signature": "0x02bb8a589ad537dc7a59dc1542e65bf6e74c63ce0b52ae4b876890771f3b319f7e13fc9ddf706f40864f5ae1de454bdd2a4b1101bc43b7f3d90f50d3e72190bc1b",
    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}