{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "545790265",
    "entityType": "User",
    "nonce": "0x57181ec1a56fe37d174b5b57fc59b31fdb37ea3200ae2b15b540f138aaabeecf",
    "signature": "0x33fde9f57797f4873227ccb3718153d964cb3c70c248f80dfaac0d3be4d573ba00ca8213b14b265b07afb92b5716306905681c14dd3bd2557c658dec0c2f46b61c",
    "signer": "0x4a5fA5326FA8D8BA8c06F330B8e7AA7A2e63D3FB",
    "userId": "685706656"
  }
}