{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "871929900",
    "entityType": "User",
    "nonce": "0x7c7197a84f090c7480785f65b1a180b9a44e0cf96da560b3e9e36c3513006559",
    "signature": "0xd021c9c399f4aa43150468d2a952177254ce5cfd6bec40f3b65690a3edf9a02a0173c1aee01a6511f27ca65d726cdad336bdbae51c0b3b07893b47c6371d76071b",
    "signer": "0xD71D6a61b797d5436c8d291306fd7DbCe6257Cc2",
    "userId": "117522"
  }
}