{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "75351",
    "entityType": "User",
    "nonce": "0x4bd65cf06d030c3dd2a3bac660253f3a0d80eefe1ae800e0708feb35584ff533",
    "signature": "0x6e9c3218fca84f8bc7687d5d88a0438f504591e01783e2b339b1ffffe67257ec46db214c87a6dc89bcbac937bcfb0b20bb6981bb131e8c35153b62897af582f21c",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}