{
  "manageEntity": {
    "action": "Repost",
    "entityId": "542654",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x881164f111e99e5d7c7811108c62d36cb17cf6cb432a4c37bd8605cdf1418445",
    "signature": "0x58571af9059efe855320c0fc2847108f1929e50b6a899170920cd80a79d64cfd5636bedcd0ec4f26c7d2d8b5e6250ae9c82543a165508c8bcc7b74abdad574cc1c",
    "signer": "0x64B0DA55A684D51d3EF114Fe644eac7db132fDb7",
    "userId": "121304325"
  }
}