{
  "manageEntity": {
    "action": "Share",
    "entityId": "1999957766",
    "entityType": "Track",
    "nonce": "0x345412a6f8c9c58409db257e7abf20c82c2bc007cdb0252ad0a7b1d2fdd7769d",
    "signature": "0xa9e6939eb0dca36daf98826fde074219ae021e2d9ef83432fadd48ed167d9a7b7f5121ff2e8fe4cc5f4183ab6414d9a0ef4b4627ba8b8aaaee92130f5062d9e21b",
    "signer": "0xB4a54F9B2a7959bD50C623E17c29991fa049790a",
    "userId": "545537105"
  }
}