{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "153754691",
    "entityType": "User",
    "nonce": "0x9f0f01ebf730868cf5b683dfa1832e2db9babb38e92d001571beb46dd3b4d088",
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    "signer": "0x6A29a28652c5866aB50f6690188bB7D36a01CB9d",
    "userId": "645940872"
  }
}