{
  "manageEntity": {
    "action": "Share",
    "entityId": "668804586",
    "entityType": "Track",
    "nonce": "0x2c721de7dfa814101805204368046d675589a6a8efdb4bc263b1e2319aea7a01",
    "signature": "0x146398da26948d6782c8be59847980c7512b2674b8289f6573b08875798ea15170648620289735076d1284e3e41847ee15fab39854cc7db10aa6729dd810849d1b",
    "signer": "0x39BbEb25924EFA2144235AA6b9287C30dA0bEF8D",
    "userId": "320790987"
  }
}