{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519818866",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc62f6c5bcbf933cdf311166b7073fb82d21180c0817cbce273dfcecb8a9ea8b",
    "signature": "0xf4321bb4922a5a6c7db1a80c9fa59b6ca615105b9b6129be1ace15c8d2ea4a135e20f310de2cc94fecbfd4a326da0d05ac5b1389947ce3f8dbbf666e1947b9ca1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}