{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515861479",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1fc50c2bc2ddb5f0c58ad0c7f6d7453f70c40120625a95b8645552a4863c56ee",
    "signature": "0x1383a24d3312b8dec53f81d8fe224251f07124f6d6bfa7b8e29f356d3acc8cfc58b3e296c7dd24b671fb58bd8cc8e22f626b2df0ea99926f6f2b62e953c052791c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}