{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1338757835",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb7e1cc8d174be5025a79fdc6cbe038f74962023e78465c1a59067ecd5e3c50c9",
    "signature": "0xcf4c746fd5f85ba2ba1a2e2ffa788b6820522dfdc6f8b3d57045f83ba86beabd369b2070af4a44efa42e6c97fd7433ebab2d5efc331a19bb6bd5d924a43340b11c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}