{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "330878",
    "entityType": "User",
    "nonce": "0xa29557a306e86d1aa5394b8d7da70edf049ac578e63d9737ef9e415b18053fed",
    "signature": "0x062c485498df6b123cedfd3e2b266b8674032507264baa054af64db293930585619572aa80d00ce90f13d6080aa6633462ab5eaa23f43ffa276f463bd0f8daae1c",
    "signer": "0x1912FC6B7317125d52bbb01C67381C923FA92aCe",
    "userId": "763473"
  }
}