{
  "manageEntity": {
    "action": "Repost",
    "entityId": "303040",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7973ce43d90558fcaef2b9ccb7cacd4ba430a7ad97b2e4d86ef1d07173c1b3e8",
    "signature": "0x26edb3a4cc2c6b720331833103dd9d4fc97ba933ff9832167887a57cd82448261abfa289a410c703ce3e85a2a3f9c8cb5a4047ad1506e37ce35851374e77d9821c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}