{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x31fc17754b220df25bc96ed3a70e340de103a2ffaf0abcae12f6a913d6d16bec",
    "signature": "0xf7f16303bd5de34f3e76a96b5e281ccda4cdb6e46dbb38c6588e0ea7623980ee08dd6637ef07dd9d10d3530d6dc996d14dd05b8b1e552499ddab8b698e1d1d131c",
    "signer": "0x0326cEeBC8D8084bb9Bb3d2cB26e0F1D79c03903",
    "userId": "438327537"
  }
}