{
  "manageEntity": {
    "action": "Share",
    "entityId": "489426537",
    "entityType": "Track",
    "nonce": "0xfddd8f3b5d98f41371699aa18030410d47dddafbc542a4a3a412c5f7657136c5",
    "signature": "0x965dfd03b44ce7200378179629748638fbcc11d5cd4e1a4d34c9bf120622c38122b696d3a42bd9db110e50311acd6c359c64ec07d3e1aec320347eadf7f9b9d91c",
    "signer": "0x66C0920dcA0b918ab7d0c1A5d2251fa05C75EBBC",
    "userId": "1931557"
  }
}