{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489616",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa5bae6eeaac6899e71aa2e73d70c6793a8e9afc7b266c3706c4a5e2228ccfc0a",
    "signature": "0x08dcd2a492937c6c4e91cad5b95a9d15936e9a498957059d0a49a8220c834c4d20cfe6f41eb7c03c7ae52103447d053dd84ef58021032c81791db43fea461b9a1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}