{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "769357",
    "entityType": "User",
    "nonce": "0x9216f841460c5174a0784e1e304c4d56afafbeb81681ca0d641029b477efbb4d",
    "signature": "0x8a5e03b40a25b6fb868ad3d709870ddbbeecdc4eb6e9382b164e022b2361177f00fba3768dce7eb8754aa0cc238f8f68ba430e64a4dc1d95b200478781f1cce21b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}