{
  "manageEntity": {
    "action": "Share",
    "entityId": "721948849",
    "entityType": "Track",
    "nonce": "0x1fb1dff78e2aabc3c1d62c781fe2d72ef1beaa8107c850aa965d8ec3f18135df",
    "signature": "0x40490b8037430cd352456438e8c46329645d93f64d69fae10d5dde6b1e281ec90d768c6612df57c2a095afdb67c9558a0d7c25afebd003a40ffebb73bff833351b",
    "signer": "0x4E2236242142EE5Ff72dbf87eF75DECEe4e3565a",
    "userId": "635742107"
  }
}