{
  "manageEntity": {
    "action": "Share",
    "entityId": "664024154",
    "entityType": "Track",
    "nonce": "0x73e3636ec55ec3a31cdad4c90fe2e86a2b885bc26f341f36dbd827ca4078d0b7",
    "signature": "0x21d9ccd95d4db5dc61f2c68c9df261469e20404ac969e75a351490a6e1b83b4373a43b658fd876d80f6c9992fef7dd02f8f770c6871b718b5857ab3ba86fabfe1c",
    "signer": "0x12Cf666e333a9fbf8928344bCC2eEFa1315a7Cf3",
    "userId": "17039"
  }
}